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Mar 28, 2025

March 2025 Update: Show Difference Between Two Values

This month brings multiple new features for better data visualization: change indicator for comparison between two values; on-chart annotations for Waterfall; layout modes for Network, and other improvements. 

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This month brings multiple new features for better data visualization: change indicator for comparison between two values; on-chart annotations for Waterfall; layout modes for Network, and other improvements. 

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Your visuals should update automatically from AppSource. If your visuals have not received the updates automatically, read this documentation article that explains the manual update process.

Multiple Visuals: Display 'Change'

Display change between two values in Power BI

With the February 2025 update, we have introduced a highly requested feature to our Combo, Combo Bar, Waterfall, and Timeline visuals – ‘Change’ threshold type. This will allow you to compare two values and show the difference between them as a positive, neutral, or negative change.

The change will be displayed as an arrow, and you can show the difference between both values in the label. Since this feature works similarly to the already existing Thresholds feature, we have added it as an additional Threshold Type – enable it in the Thresholds section and set Threshold Type to ‘Change’.

Use From-Value and To-Value settings to choose which two values are compared by ‘Change’. For each, you can manually enter a constant value, or use a calculation that will be applied to your selected series: First, Last, Minimum, Maximum, Average, Median, Percentile.

Here’s an example where From-Value is Series 1 average, and To-Value is Series 2 average: this will allow us to see the average budget increase across all departments between 2024 and 2025.

Other things you can configure include:

  • Area between both values: fill color and opacity.
  • Horizontal line at each value: fill color, opacity, thickness.
  • Label: text, value (absolute, percentage, both), position, font, background, outline.
  • Arrow: position, line thickness, line type (solid, dotted, dashed), arrowhead size.
  • Arrow color: choose different colors for Positive, Zero, and Negative change.

Multiple Visuals: From and To Values for Thresholds

While implementing the ‘Change’ Threshold Type, we slightly changed how all thresholds work in Combo, Combo Bar, Waterfall, and Timeline . Previously, you could set a constant or dynamically calculated value that was used as the line position for Line thresholds, or the starting boundary for Area thresholds. However, when using Area threshold type, the ending boundary could only be placed at a constant value.

We have standardized the settings across all three threshold types (Line, Area, Change). Now, they are called From-Value and To-Value, and you can use constant or calculated value on both. Here’s how these values will work with each threshold type:

  From-Value To-Value
Line Determines threshold line position -
Area Starting boundary for the area Ending boundary for the area
Change First value for comparison Second value for comparison

Waterfall: On-Chart Annotations from Data

On-Chart Annotations for Waterfall Charts in Power BI

The February 2025 update for Waterfall introduces two new fields – Comment Marker and Comment. They can be used to visually distinguish certain columns and display a text annotation, thus providing additional context to the user.

To successfully display comments, you will need to populate both fields. Comment Marker field must contain a number or letter that will be displayed in the marker for identification – “A, B, C…” or “1, 2, 3…”, whereas Comment field contains text that will be displayed as the annotation in a panel next to the chart.

Once both fields have been populated, a new section will be revealed in the Format Visual tab – Comments. There, you will find various settings to adjust the appearance, including marker position, fill color, opacity, comment font color, size, and other options.

Timeline, TimeSeries: First Day of Week

Power BI Timeline Chart: First Day of Week comparison

The February 2025 update for Timeline and TimeSeries introduces a new setting – First Day of Week. With it, you can choose if the visual starts weeks on Monday or Sunday. This will allow report creators to better adapt the visual for their locale, since more than 4 billion people start the week on Sunday, including countries like Canada, USA, Brazil, Japan, India and others.

This will affect how the data is aggregated when using Week as the display unit. Example: March 30, 2025 is on a Sunday; when starting the week with Monday, this date and its value will added to Week 13, but with Sunday, it will be a part of Week 14. You can find this setting in the X-Axis section of the Format Visual tab.

Timeline: 15-second Interval

15 second intervals in Power BI Timeline chart

Our Timeline visual supports a wide variety of time units for use in your date hierarchy, ranging from 1 millisecond to 10 years (1 decade). You can view the full list of supported time units in this documentation page. As of February 2025 update, this visual also supports ’15 s’ or ’15 seconds’, allowing you to display 15 second intervals on the X-Axis.

Network: Chart Layouts & Save State

Previously, the only layout option available in the Network PRO visual was force-directed network chart; and other options like Hierarchy or Radial were exclusive to Graph PRO. This changes with February 2025 update, which introduces layout selection to the Network visual, bringing it in line with Graph. In the Layout section, you can select between the following modes:

  • Dynamic: Force-directed layout that uses all available space.
  • Big Data Dynamic: Force-directed layout optimized for larger datasets. 
  • Hierarchy: Places nodes top-down based on their hierarchy.
  • Radial: Places parent nodes in the center, with child nodes branching outwards.
  • Static: Disables automatic repositioning and node physics simulation. Intended for users to create their own layouts and save state. 

To better illustrate the difference between the layout modes, here is an interactive JavaScript chart where you can instantly switch between Dynamic, Hierarchy, and Radial modes.

Another Graph feature that’s being brought to Network is the Save State toolbar button, which allows the user to ‘lock in’ the current position of nodes. Once the current state has been saved, the visual will restore the saved layout, even across multiple sessions or after reloading the report page. 

ZoomCharts Network visual: Save State toolbar button

Network, Graph: Switch Chart Layouts in Toolbar

Switch network chart layouts on-the-fly with toolbar button in Power BI

Another change related to the previously mentioned layouts is the addition of a new toolbar control that allows the user to instantly switch between different layout modes on-the-fly. It is available in the February 2025 update for Network and Graph visuals.

In the Layout section of the Format Visual tab, you will find the Initial Mode setting (the default layout for your chart), and a list of toggles – one for each layout. Each toggle that you have enabled will be included in the Layout menu of the toolbar, and the user will be able to switch between the enabled layouts.

Enabling a toggle will also reveal additional settings related to each layout mode. If you do not enable any toggles, the toolbar will not display the Layout menu, and the chart will only use your selected Initial Mode.

Get Started with ZoomCharts

Be sure to download the latest version of ZoomCharts Visuals to enjoy these new additions, along with hundreds of other features! With a free trial available, you can see for yourself how these powerful visuals can take your Power BI reports to the next level.

  • Drill Down Combo PRO
  • Drill Down Combo Bar PRO
  • Drill Down Timeline PRO
  • Drill Down TimeSeries PRO
  • Drill Down Waterfall PRO
  • Drill Down Network PRO
  • Drill Down Graph PRO
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May 08, 2025

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Guides

Data Literacy: What It Is and Why Every Modern Professional Needs It

Data literacy is no longer optional - it’s essential for success in today’s data-driven world. From marketers to HR professionals, everyone is expected to analyze data, spot trends, and make smart decisions. This article explores what data literacy really means, why it matters, and how to build it across your team and organization.

Apr 30, 2025

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Product updates

April 2025 Update: Multiple Links in Graph PRO & Total Labels for Stacks

Create multiple links between nodes in Graph, enable and customize value labels for stack totals in Combo & Timeline, and more – read about what’s new in ZoomCharts visuals in April!

Mar 28, 2025

Blog Thumbnail
Product updates

March 2025 Update: Show Difference Between Two Values

This month brings multiple new features for better data visualization: change indicator for comparison between two values; on-chart annotations for Waterfall; layout modes for Network, and other improvements. 

Feb 26, 2025

Blog Thumbnail
Product updates

February 2025: What’s New in ZoomCharts Visuals for Power BI

You can now enable extended axis labels in Combo, Combo Bar and Waterfall, assign lasso shapes to specific shape layers in Map, and enter custom display names for link categories in Graph. Read more about the latest update in this article!

Jan 31, 2025

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Top 12 Key SaaS Business Metrics You Must Track in 2025

ARR, CLV, NRR, churn, and more – learn about the most important SaaS business metrics, their formulas, how to read and interpret them, and how to best visualize them. 

Jan 15, 2025

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Product updates

January 2025: New Customization Options

We have added outline conditional formatting, color customization for selection and highlight areas, comma-separated source nodes for Graph, and a setting to hide empty values in the tooltip.
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