Calculate Time Difference in Excel It is tough to calculate the difference between two times in Excel. But with a little bit of trick applied, we can achieve the result we want.

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

To calculate the difference between the "Clock In" time and "Clock Out" time, type the equals sign (=) in the cell below the "Total Hours" label (C2), click on the "Clock Out" cell to the left ...

Otherwise, you will need to delete year-specific information from a copy of the file each time you start a new year. Information in this article applies to Microsoft Excel 2010.

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