How to find percentage growth rate in excel
23 Sep 2019 If you can calculate percentages in Excel, it comes in handy. In this example, we want to find the percentage of increase in the sales of a Let Excel do the work for you – simple formulas can help you find the percentage of a total, for example, or the percentage difference between two numbers. AAGR measures the average rate of return or growth over constant spaced time periods. To determine the percentage growth for each year, the equation to use is :.