Do you know how to make a waterfall chart? Here are 7 tips you should know when building user friendly Power BI waterfall charts. Customize it to tell a data story that helps you make data driven decisions. Bar and column charts work great for visualizing a beginning and ending value. However, these charts fail to display the full data story by leaving out all the unique factors that contribute to a final net value. In this article, we will look at the basics of waterfall charts and what practices you can implement to build the best waterfall charts in Power BI.