-30.69% is the change from 857 to 594
Calculation steps:
[( 594 - 857 ) ÷ 857] x 100 = -30.69%
Formula
Percentage change = [(594 - 857) / 857] x 100
Subtract the new number by the original number
594 - 857 = -263
-263 ÷ 857 = -0.30688448074679114
-0.30688448074679114 x 100 = -30.69%