-35.58% is the change from 950 to 612
Calculation steps:
[( 612 - 950 ) ÷ 950] x 100 = -35.58%
Formula
Percentage change = [(612 - 950) / 950] x 100
Subtract the new number by the original number
612 - 950 = -338
-338 ÷ 950 = -0.35578947368421054
-0.35578947368421054 x 100 = -35.58%