Learn how to calculate Weighted Average in Excel with percentages using the SUM function and the SUMPRODUCT function.

Manual Methods for Cumulative Averages The most basic way to calculate cumulative averages in Excel involves using the `AVERAGE` function with absolute references.

Creating Running Totals in Regular Ranges To create a running total in an Excel range that isn't formatted as an Excel table, you need to use a combination of absolute and relative references.