-84.6% is the change from 857 to 132
Calculation steps:
[( 132 - 857 ) ÷ 857] x 100 = -84.6%
Formula
Percentage change = [(132 - 857) / 857] x 100
Subtract the new number by the original number
132 - 857 = -725
-725 ÷ 857 = -0.8459743290548425
-0.8459743290548425 x 100 = -84.6%