-54.95% is the change from 950 to 428
Calculation steps:
[( 428 - 950 ) ÷ 950] x 100 = -54.95%
Formula
Percentage change = [(428 - 950) / 950] x 100
Subtract the new number by the original number
428 - 950 = -522
-522 ÷ 950 = -0.5494736842105263
-0.5494736842105263 x 100 = -54.95%