-83.82% is the change from 816 to 132
Calculation steps:
[( 132 - 816 ) ÷ 816] x 100 = -83.82%
Formula
Percentage change = [(132 - 816) / 816] x 100
Subtract the new number by the original number
132 - 816 = -684
-684 ÷ 816 = -0.8382352941176471
-0.8382352941176471 x 100 = -83.82%