First click into cell D2 so the percentage shows up in the Percentage column. The most elementary way to do this is to type in the mathematical expression for adding two numbers in a cell. Right-click on any worksheet tab.
Convert this range to the table by pressing Ctrl T.
Type the equal sign followed by the constants and operators up to 8192 characters that you want to use in the. A spreadsheet can easily be used to select random numbers using RANDBETWEEN SELECT VALUES. Another way to use this formula is to choose a winner from a list of 100 names by having excel choose the winning row. For example just type 2 2 in a cell of your choice and Excel will perform the requested calculation.