Decimal format is easier to calculate into a percentage. Just right-click on a cell that contains a decimal or a row or column full of such cells and select Format Cells. For example if you want to calculate 25 of 50 multiply 25 by 50.
The basic percentage formula is as follows.
Decimal format is easier to calculate into a percentage. Now to calculate percentage of total write this Percentage formula in cell C4 and drag it down. After that hit OK and your decimals will be converted to percentages. 38230 165165 x 100 165.