-9.16% is the change from 950 to 863
Calculation steps:
[( 863 - 950 ) ÷ 950] x 100 = -9.16%
Formula
Percentage change = [(863 - 950) / 950] x 100
Subtract the new number by the original number
863 - 950 = -87
-87 ÷ 950 = -0.09157894736842105
-0.09157894736842105 x 100 = -9.16%