-62.35% is the change from 571 to 215
Calculation steps:
[( 215 - 571 ) ÷ 571] x 100 = -62.35%
Formula
Percentage change = [(215 - 571) / 571] x 100
Subtract the new number by the original number
215 - 571 = -356
-356 ÷ 571 = -0.6234676007005254
-0.6234676007005254 x 100 = -62.35%