792.31% is the change from 91 to 812
Calculation steps:
[( 812 - 91 ) ÷ 91] x 100 = 792.31%
Formula
Percentage change = [(812 - 91) / 91] x 100
Subtract the new number by the original number
812 - 91 = 721
721 ÷ 91 = 7.923076923076923
7.923076923076923 x 100 = 792.31%