-49.78% is the change from 904 to 454
Calculation steps:
[( 454 - 904 ) ÷ 904] x 100 = -49.78%
Formula
Percentage change = [(454 - 904) / 904] x 100
Subtract the new number by the original number
454 - 904 = -450
-450 ÷ 904 = -0.497787610619469
-0.497787610619469 x 100 = -49.78%