-87.48% is the change from 823 to 103
Calculation steps:
[( 103 - 823 ) ÷ 823] x 100 = -87.48%
Formula
Percentage change = [(103 - 823) / 823] x 100
Subtract the new number by the original number
103 - 823 = -720
-720 ÷ 823 = -0.8748481166464156
-0.8748481166464156 x 100 = -87.48%