How to Calculate the Percent of Total Sales in Excel. All Sums are shown in relationship to the Grand Total Individual sales person sums are shown as percentage of Grand Total. Select Analysis Create Calculated Field.
Open a new spreadsheet in Microsoft Excel.
Calculate a percent distribution you can use a formula that simply divides an amount by the total. Enter the total sales from the first item in cell B1. Now to calculate percentage of total write this Percentage formula in cell C4 and drag it down. Multiply the result by 100 to arrive at the percentage.