-35.79% is the change from 950 to 610
Calculation steps:
[( 610 - 950 ) ÷ 950] x 100 = -35.79%
Formula
Percentage change = [(610 - 950) / 950] x 100
Subtract the new number by the original number
610 - 950 = -340
-340 ÷ 950 = -0.35789473684210527
-0.35789473684210527 x 100 = -35.79%