-87% is the change from 823 to 107
Calculation steps:
[( 107 - 823 ) ÷ 823] x 100 = -87%
Formula
Percentage change = [(107 - 823) / 823] x 100
Subtract the new number by the original number
107 - 823 = -716
-716 ÷ 823 = -0.8699878493317132
-0.8699878493317132 x 100 = -87%