-49.67% is the change from 904 to 455
Calculation steps:
[( 455 - 904 ) ÷ 904] x 100 = -49.67%
Formula
Percentage change = [(455 - 904) / 904] x 100
Subtract the new number by the original number
455 - 904 = -449
-449 ÷ 904 = -0.49668141592920356
-0.49668141592920356 x 100 = -49.67%