913.41% is the change from 82 to 831
Calculation steps:
[( 831 - 82 ) ÷ 82] x 100 = 913.41%
Formula
Percentage change = [(831 - 82) / 82] x 100
Subtract the new number by the original number
831 - 82 = 749
749 ÷ 82 = 9.134146341463415
9.134146341463415 x 100 = 913.41%