-55.8% is the change from 957 to 423
Calculation steps:
[( 423 - 957 ) ÷ 957] x 100 = -55.8%
Formula
Percentage change = [(423 - 957) / 957] x 100
Subtract the new number by the original number
423 - 957 = -534
-534 ÷ 957 = -0.5579937304075235
-0.5579937304075235 x 100 = -55.8%