771.6% is the change from 81 to 706
Calculation steps:
[( 706 - 81 ) ÷ 81] x 100 = 771.6%
Formula
Percentage change = [(706 - 81) / 81] x 100
Subtract the new number by the original number
706 - 81 = 625
625 ÷ 81 = 7.716049382716049
7.716049382716049 x 100 = 771.6%