567.9% is the change from 81 to 541
Calculation steps:
[( 541 - 81 ) ÷ 81] x 100 = 567.9%
Formula
Percentage change = [(541 - 81) / 81] x 100
Subtract the new number by the original number
541 - 81 = 460
460 ÷ 81 = 5.679012345679013
5.679012345679013 x 100 = 567.9%