The percentage difference is usually calculated when you want to know the difference in percentage between two numbers. Microsoft Office Excel is a great tool to help you get started. In this post ...

The variance measures how far each number in the set is from the mean. You can use Microsoft Excel to calculate the variance of the data you have entered into a spreadsheet.

First, calculate the difference between the two prices for each date. You'll need to pick one set of numbers to be the starting point on which the percentage difference will be calculated, and ...