-90.82% is the change from 882 to 81
Calculation steps:
[( 81 - 882 ) ÷ 882] x 100 = -90.82%
Formula
Percentage change = [(81 - 882) / 882] x 100
Subtract the new number by the original number
81 - 882 = -801
-801 ÷ 882 = -0.9081632653061225
-0.9081632653061225 x 100 = -90.82%