-55.05% is the change from 950 to 427
Calculation steps:
[( 427 - 950 ) ÷ 950] x 100 = -55.05%
Formula
Percentage change = [(427 - 950) / 950] x 100
Subtract the new number by the original number
427 - 950 = -523
-523 ÷ 950 = -0.5505263157894736
-0.5505263157894736 x 100 = -55.05%