-72.23% is the change from 857 to 238
Calculation steps:
[( 238 - 857 ) ÷ 857] x 100 = -72.23%
Formula
Percentage change = [(238 - 857) / 857] x 100
Subtract the new number by the original number
238 - 857 = -619
-619 ÷ 857 = -0.7222870478413069
-0.7222870478413069 x 100 = -72.23%