-87.36% is the change from 823 to 104
Calculation steps:
[( 104 - 823 ) ÷ 823] x 100 = -87.36%
Formula
Percentage change = [(104 - 823) / 823] x 100
Subtract the new number by the original number
104 - 823 = -719
-719 ÷ 823 = -0.8736330498177399
-0.8736330498177399 x 100 = -87.36%