Step 3: In this case, we added an "Expenses" column, and it now shows between Last name and Sales. Mark Coppock/Digital Trends Adding a partial column Sometimes, you want to add a new column to ...

Click the first cell in the column that you want to multiply by the percentage. Press "Shift," "End" and the Down arrow simultaneously to highlight the entire column. Click the "Home" tab.

Excel processes 6 AM as "0.25," because it is one quarter of the way through the day. If you need to add a number of payroll time entries together, change the time format to a number format, then ...