779.01% is the change from 81 to 712
Calculation steps:
[( 712 - 81 ) ÷ 81] x 100 = 779.01%
Formula
Percentage change = [(712 - 81) / 81] x 100
Subtract the new number by the original number
712 - 81 = 631
631 ÷ 81 = 7.790123456790123
7.790123456790123 x 100 = 779.01%