712.35% is the change from 81 to 658
Calculation steps:
[( 658 - 81 ) ÷ 81] x 100 = 712.35%
Formula
Percentage change = [(658 - 81) / 81] x 100
Subtract the new number by the original number
658 - 81 = 577
577 ÷ 81 = 7.1234567901234565
7.1234567901234565 x 100 = 712.35%