Waterfall-chart.com platform that creates Excel waterfall charts/bridge
To build waterfall charts directly in Excel, try
What is a waterfall chart?
A waterfall chart is an intuitive tool to visualize the cumulative effect of sequentially
introduced positive or negative values.
Example: A yearly variation of a company's turnover can be computed as the sum of
a volume effect, a price effect and a mixed effect. A waterfall chart offers a simple
way to put forward the comparative strength of these effects.