-84.76% is the change from 571 to 87
Calculation steps:
[( 87 - 571 ) ÷ 571] x 100 = -84.76%
Formula
Percentage change = [(87 - 571) / 571] x 100
Subtract the new number by the original number
87 - 571 = -484
-484 ÷ 571 = -0.8476357267950964
-0.8476357267950964 x 100 = -84.76%