-86.71% is the change from 865 to 115
Calculation steps:
[( 115 - 865 ) ÷ 865] x 100 = -86.71%
Formula
Percentage change = [(115 - 865) / 865] x 100
Subtract the new number by the original number
115 - 865 = -750
-750 ÷ 865 = -0.8670520231213873
-0.8670520231213873 x 100 = -86.71%