-49.56% is the change from 904 to 456
Calculation steps:
[( 456 - 904 ) ÷ 904] x 100 = -49.56%
Formula
Percentage change = [(456 - 904) / 904] x 100
Subtract the new number by the original number
456 - 904 = -448
-448 ÷ 904 = -0.49557522123893805
-0.49557522123893805 x 100 = -49.56%