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project-management · finance

Software Budget Variance Waterfall

This waterfall chart reconciles an approved product-launch budget to the latest forecast. Agency savings move the running total down, while security review, cloud testing and launch events add cost. The final forecast gives sponsors a direct view of the amount now being requested. It works well when a budget discussion needs the drivers of a variance, not just two totals side by side.

Type echarts-barEngine echarts-barUpdated 9/24/2026
Atlas Launch Budget Variance
Drawing preview
The request

“Create a waterfall chart titled Atlas Launch Budget Variance showing Approved budget $130,000, Agency savings minus $6,000, Security review plus $18,000, Cloud testing plus $18,000, Launch events plus $9,000, and Forecast $169,000.”

Then tryChange Cloud testing to plus $12,000.Add Legal review plus $5,000 before Forecast.
What is in this drawing

Read the decisions behind it.

01Savings

Agency savings offset part of the spend.

02Scope cost

Security and testing increased the forecast.

03Approval

The final forecast frames the funding decision.

Use to explain a plan-to-forecast change with named drivers.

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FAQ

Common questions

What is a budget variance waterfall?

It connects a planned budget to an updated forecast through the individual changes between them.

How are savings shown?

Savings are negative changes that lower the running balance.

What should the final bar represent?

It should be the latest total after all listed changes.