-72.81% is the change from 857 to 233
Calculation steps:
[( 233 - 857 ) ÷ 857] x 100 = -72.81%
Formula
Percentage change = [(233 - 857) / 857] x 100
Subtract the new number by the original number
233 - 857 = -624
-624 ÷ 857 = -0.7281213535589265
-0.7281213535589265 x 100 = -72.81%