Display a key numeric value and text label in the center of your donut chart with the KPI Card. In Drill Down Donut PRO, the KPI Card is enabled by adding fields to KPI Value and KPI Label fields.
You can customize its appearance in the KPI Card formatting settings, including text style, font size, color, background color, position, and label placement.
- Show the total value of all slices: by using the same column as Value with Sum aggregation.
- Show the average slice value: by using the same column as Value with Average aggregation.
- Show a different value for comparison (e.g. KPIs, last year's data etc.). Make sure you clearly label this value to not confuse the user.
- Show the number of slices (useful with 'Others' grouping): by using the same column as Category with 'Count' aggregation.

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