formula to show percentage growth in excel
If you want to calculate the percentage change between value a and value b, this is done using the formula: percentage change = (b-a) / a. For example if your sales figures are $1,250 in January and $1,750 in February, the percentage change in February, compared to January, is given by:ercentages in Excel are stored as decimal values. For example, 25% is stored as the value 0.25, 50% is stored as the value 0.5, etc. It is only the formatting of a cell that makes the underlying decimal value appear as a percentage.