-8.63% is the change from 950 to 868
Calculation steps:
[( 868 - 950 ) ÷ 950] x 100 = -8.63%
Formula
Percentage change = [(868 - 950) / 950] x 100
Subtract the new number by the original number
868 - 950 = -82
-82 ÷ 950 = -0.0863157894736842
-0.0863157894736842 x 100 = -8.63%