796.3% is the change from 81 to 726
Calculation steps:
[( 726 - 81 ) ÷ 81] x 100 = 796.3%
Formula
Percentage change = [(726 - 81) / 81] x 100
Subtract the new number by the original number
726 - 81 = 645
645 ÷ 81 = 7.962962962962963
7.962962962962963 x 100 = 796.3%