How to Use Excel to Subtract From the Total

1. Open the document you would like to make the changes to in Microsoft Excel.
2. Locate the cell that contains the total and make note of the cell number --- for example, 'E2' or 'F15.'
3. Select the empty cell in which you would like to have the subtracted result shown.
4. Type '=X - Y' where X is the number of the cell containing the total and Y is the number or cell you would to subtract from the total.
5. Press 'Enter' and the cell will now show the subtracted total.