In the example shown, the formula in D6, copied down, is: Format the result as a percentage to display with % symbol.


Npery should be an integer (Excel will truncate if not). The effect_rate should be a number between 0 and 1.

Dave Bruns

Hi - I’m Dave Bruns, and I run Exceljet with my wife, Lisa. Our goal is to help you work faster in Excel. We create short videos, and clear examples of formulas, functions, pivot tables, conditional formatting, and charts.