-54.48% is the change from 938 to 427
Calculation steps:
[( 427 - 938 ) ÷ 938] x 100 = -54.48%
Formula
Percentage change = [(427 - 938) / 938] x 100
Subtract the new number by the original number
427 - 938 = -511
-511 ÷ 938 = -0.5447761194029851
-0.5447761194029851 x 100 = -54.48%