-85.11% is the change from 571 to 85
Calculation steps:
[( 85 - 571 ) ÷ 571] x 100 = -85.11%
Formula
Percentage change = [(85 - 571) / 571] x 100
Subtract the new number by the original number
85 - 571 = -486
-486 ÷ 571 = -0.851138353765324
-0.851138353765324 x 100 = -85.11%