-50.33% is the change from 904 to 449
Calculation steps:
[( 449 - 904 ) ÷ 904] x 100 = -50.33%
Formula
Percentage change = [(449 - 904) / 904] x 100
Subtract the new number by the original number
449 - 904 = -455
-455 ÷ 904 = -0.5033185840707964
-0.5033185840707964 x 100 = -50.33%