-87.27% is the change from 817 to 104
Calculation steps:
[( 104 - 817 ) ÷ 817] x 100 = -87.27%
Formula
Percentage change = [(104 - 817) / 817] x 100
Subtract the new number by the original number
104 - 817 = -713
-713 ÷ 817 = -0.8727050183598531
-0.8727050183598531 x 100 = -87.27%