-56.32% is the change from 950 to 415
Calculation steps:
[( 415 - 950 ) ÷ 950] x 100 = -56.32%
Formula
Percentage change = [(415 - 950) / 950] x 100
Subtract the new number by the original number
415 - 950 = -535
-535 ÷ 950 = -0.5631578947368421
-0.5631578947368421 x 100 = -56.32%