767.9% is the change from 81 to 703
Calculation steps:
[( 703 - 81 ) ÷ 81] x 100 = 767.9%
Formula
Percentage change = [(703 - 81) / 81] x 100
Subtract the new number by the original number
703 - 81 = 622
622 ÷ 81 = 7.679012345679013
7.679012345679013 x 100 = 767.9%