831% is the change from 100 to 931
Calculation steps:
[( 931 - 100 ) ÷ 100] x 100 = 831%
Formula
Percentage change = [(931 - 100) / 100] x 100
Subtract the new number by the original number
931 - 100 = 831
831 ÷ 100 = 8.31
8.31 x 100 = 831%
Example