With the date written in and formatted, you can now enter the formula to subtract the date. You would enter that in the appropriate cell for your Excel document.

Subtraction methods in Excel aren't the quickest or simplest, but if you need to get it done, we can show you how to subtract in Excel. Here's how.

Learn how to show formulas in cells instead of values or calculated results In Microsoft Excel. You can show or hide formulas in Excel cells.