This post explains how to calculate Weighted Average in Excel with percentages. In a standard arithmetic average where the sum of values is divided by the number of values, each data value is treated ...

In the course of running your business, you may find it necessary to perform calculations where you need to combine percents. Percents can be added directly together if they are taken from the same ...

When an absolute number doesn't adequately describe a scenario, proportions help fill the gap by describing the number with respect to a total. As an example, knowing that 30 orders were for a ...

What <B>Manus</B> said, although it'd most likely work better for you if you worked horizontally rather than vertically. A1 would be the sales, B1 would be the division formula, and C1 would subtract ...