Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. David Kindness is a Certified Public Accountant ...

Microsoft Office Excel is a great tool to help you get started. In this post, we see the method to find the percentage difference between 2 numbers in Excel. Percentage change or percentage ...

Stock's historical variance measures its return ... n is the total number of observations. We calculate the average using Excel's "Average" function. The result, 1.32%, is in cell C65.

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...