To calculate the average percentage difference over time, you'll need to build a time series of data. The starting point is the price information for each date on which you're producing an average.

Below, we'll go through the basics of how to calculate average percentage differences as well as providing some insight into how to interpret the results. Calculating the average percentage difference ...

How to use the average percentage difference The meaning of the average percentage difference depends on the nature of the two numbers involved in the calculation.