07/14/2026
A variance report shows how much profit changed — but not why. A report line is just a total. The values that form it — volumes, prices, discounts, mix — never appear in the report. To explain a variance, you need to know how each of them affected the line.
That's what driver-based variance analysis does: it breaks any variance into the monetary impact of each driver. Building it yourself in Excel or Power BI is possible, but harder than it looks. How it works and what the alternative is:
A variance report shows how much a line item changed — but not why. Driver-based variance analysis answers that question: it decomposes any variance — revenue, margin, COGS, working capital — into the monetary impact of each business driver, so the root cause is no longer a guess. Building it ...