-86.83% is the change from 873 to 115
Calculation steps:
[( 115 - 873 ) ÷ 873] x 100 = -86.83%
Formula
Percentage change = [(115 - 873) / 873] x 100
Subtract the new number by the original number
115 - 873 = -758
-758 ÷ 873 = -0.868270332187858
-0.868270332187858 x 100 = -86.83%