-49.39% is the change from 903 to 457
Calculation steps:
[( 457 - 903 ) ÷ 903] x 100 = -49.39%
Formula
Percentage change = [(457 - 903) / 903] x 100
Subtract the new number by the original number
457 - 903 = -446
-446 ÷ 903 = -0.4939091915836102
-0.4939091915836102 x 100 = -49.39%