-1.58% is the change from 950 to 935
Calculation steps:
[( 935 - 950 ) ÷ 950] x 100 = -1.58%
Formula
Percentage change = [(935 - 950) / 950] x 100
Subtract the new number by the original number
935 - 950 = -15
-15 ÷ 950 = -0.015789473684210527
-0.015789473684210527 x 100 = -1.58%