562.96% is the change from 81 to 537
Calculation steps:
[( 537 - 81 ) ÷ 81] x 100 = 562.96%
Formula
Percentage change = [(537 - 81) / 81] x 100
Subtract the new number by the original number
537 - 81 = 456
456 ÷ 81 = 5.62962962962963
5.62962962962963 x 100 = 562.96%