Jan 15 2021 08:24 AM
Jan 15 2021 08:44 AM
With a formula:
Enter the formula =A24-A23 in A25, then fill or copy from A25 to the right as far as needed.
Without a formula, in row 24 itself:
Select row 23 and copy it.
Right-click the row number of row 24.
Select 'Paste Special...' from the context menu.
Select Subtract, then click OK.