852.5% is the change from 80 to 762
Calculation steps:
[( 762 - 80 ) ÷ 80] x 100 = 852.5%
Formula
Percentage change = [(762 - 80) / 80] x 100
Subtract the new number by the original number
762 - 80 = 682
682 ÷ 80 = 8.525
8.525 x 100 = 852.5%
Example