-33.16% is the change from 950 to 635
Calculation steps:
[( 635 - 950 ) ÷ 950] x 100 = -33.16%
Formula
Percentage change = [(635 - 950) / 950] x 100
Subtract the new number by the original number
635 - 950 = -315
-315 ÷ 950 = -0.33157894736842103
-0.33157894736842103 x 100 = -33.16%