-85.91% is the change from 575 to 81
Calculation steps:
[( 81 - 575 ) ÷ 575] x 100 = -85.91%
Formula
Percentage change = [(81 - 575) / 575] x 100
Subtract the new number by the original number
81 - 575 = -494
-494 ÷ 575 = -0.8591304347826086
-0.8591304347826086 x 100 = -85.91%