-72.58% is the change from 857 to 235
Calculation steps:
[( 235 - 857 ) ÷ 857] x 100 = -72.58%
Formula
Percentage change = [(235 - 857) / 857] x 100
Subtract the new number by the original number
235 - 857 = -622
-622 ÷ 857 = -0.7257876312718786
-0.7257876312718786 x 100 = -72.58%