-87.89% is the change from 950 to 115
Calculation steps:
[( 115 - 950 ) ÷ 950] x 100 = -87.89%
Formula
Percentage change = [(115 - 950) / 950] x 100
Subtract the new number by the original number
115 - 950 = -835
-835 ÷ 950 = -0.8789473684210526
-0.8789473684210526 x 100 = -87.89%