Easy way to calculate time difference in Excel using simple logic. A simple formula to calculate difference between two dates & times in Excel.

Calculate percentage difference between two numbers in Excel Percentage change or percentage difference can be applied to any quantity that you measure over time.

Fortunately, Excel offers a built-in function, DATEDIF, which makes it easy to calculate elapsed calendar time.

Learn how to calculate the net present value (NPV) of your investment projects using Excel's XNPV function.