-55.38% is the change from 957 to 427
Calculation steps:
[( 427 - 957 ) ÷ 957] x 100 = -55.38%
Formula
Percentage change = [(427 - 957) / 957] x 100
Subtract the new number by the original number
427 - 957 = -530
-530 ÷ 957 = -0.5538140020898642
-0.5538140020898642 x 100 = -55.38%