794.51% is the change from 91 to 814
Calculation steps:
[( 814 - 91 ) ÷ 91] x 100 = 794.51%
Formula
Percentage change = [(814 - 91) / 91] x 100
Subtract the new number by the original number
814 - 91 = 723
723 ÷ 91 = 7.945054945054945
7.945054945054945 x 100 = 794.51%