662.39% is the change from 109 to 831
Calculation steps:
[( 831 - 109 ) ÷ 109] x 100 = 662.39%
Formula
Percentage change = [(831 - 109) / 109] x 100
Subtract the new number by the original number
831 - 109 = 722
722 ÷ 109 = 6.623853211009174
6.623853211009174 x 100 = 662.39%