-50.11% is the change from 904 to 451
Calculation steps:
[( 451 - 904 ) ÷ 904] x 100 = -50.11%
Formula
Percentage change = [(451 - 904) / 904] x 100
Subtract the new number by the original number
451 - 904 = -453
-453 ÷ 904 = -0.5011061946902655
-0.5011061946902655 x 100 = -50.11%