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 ...

Often when you’re working with Excel you will use a calculation that is not available as a built-in Excel function. If you make this calculation repeatedly, you can save having to write the ...

To calculate the Consumer Price Index between two years in Excel, take a sum of all the amounts spent on the basket of products over those two years. Then use the following formula to find the CPI ...