625.93% is the change from 81 to 588
Calculation steps:
[( 588 - 81 ) ÷ 81] x 100 = 625.93%
Formula
Percentage change = [(588 - 81) / 81] x 100
Subtract the new number by the original number
588 - 81 = 507
507 ÷ 81 = 6.2592592592592595
6.2592592592592595 x 100 = 625.93%