-89.66% is the change from 832 to 86
Calculation steps:
[( 86 - 832 ) ÷ 832] x 100 = -89.66%
Formula
Percentage change = [(86 - 832) / 832] x 100
Subtract the new number by the original number
86 - 832 = -746
-746 ÷ 832 = -0.8966346153846154
-0.8966346153846154 x 100 = -89.66%