-89.19% is the change from 823 to 89
Calculation steps:
[( 89 - 823 ) ÷ 823] x 100 = -89.19%
Formula
Percentage change = [(89 - 823) / 823] x 100
Subtract the new number by the original number
89 - 823 = -734
-734 ÷ 823 = -0.8918590522478737
-0.8918590522478737 x 100 = -89.19%