-33.37% is the change from 857 to 571
Calculation steps:
[( 571 - 857 ) ÷ 857] x 100 = -33.37%
Formula
Percentage change = [(571 - 857) / 857] x 100
Subtract the new number by the original number
571 - 857 = -286
-286 ÷ 857 = -0.3337222870478413
-0.3337222870478413 x 100 = -33.37%