-82.14% is the change from 571 to 102
Calculation steps:
[( 102 - 571 ) ÷ 571] x 100 = -82.14%
Formula
Percentage change = [(102 - 571) / 571] x 100
Subtract the new number by the original number
102 - 571 = -469
-469 ÷ 571 = -0.8213660245183888
-0.8213660245183888 x 100 = -82.14%