This time we fix the reference to cell B2. For example if you have a column containing numbers and want to calculate 10 of one of those numbers enter 10 in another cell then use a formula using the asterisk as the multiplication operator. Select cell D3 click on the lower right corner of cell D3 and drag it down to cell D13.
Then you copy this formula to the other cells with the fill-handle.
New value old valueold value. The formula is very simple. To increase a number by a percentage in Excel execute the following steps. Observe the formula B3 which is 450000 from that we subtracted B2 which is 400000 and the difference multiplied with 100 and divide the results with B2 which is base salary 400000.