How to Do Averages With Percentages in Excel. Averages are typically computed as the sum of values divided by the number of data points. However, averages are also calculable from percentages.

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

If you need to average a list of values in Microsoft Excel that contain duplicates without including the duplicates, don't fret over a complex expression when you can easily remove those duplicates.