-87.24% is the change from 823 to 105
Calculation steps:
[( 105 - 823 ) ÷ 823] x 100 = -87.24%
Formula
Percentage change = [(105 - 823) / 823] x 100
Subtract the new number by the original number
105 - 823 = -718
-718 ÷ 823 = -0.8724179829890644
-0.8724179829890644 x 100 = -87.24%