-26.14% is the change from 857 to 633
Calculation steps:
[( 633 - 857 ) ÷ 857] x 100 = -26.14%
Formula
Percentage change = [(633 - 857) / 857] x 100
Subtract the new number by the original number
633 - 857 = -224
-224 ÷ 857 = -0.2613768961493582
-0.2613768961493582 x 100 = -26.14%