-83.74% is the change from 812 to 132
Calculation steps:
[( 132 - 812 ) ÷ 812] x 100 = -83.74%
Formula
Percentage change = [(132 - 812) / 812] x 100
Subtract the new number by the original number
132 - 812 = -680
-680 ÷ 812 = -0.8374384236453202
-0.8374384236453202 x 100 = -83.74%