807.5% is the change from 80 to 726
Calculation steps:
[( 726 - 80 ) ÷ 80] x 100 = 807.5%
Formula
Percentage change = [(726 - 80) / 80] x 100
Subtract the new number by the original number
726 - 80 = 646
646 ÷ 80 = 8.075
8.075 x 100 = 807.5%
Example