-44.25% is the change from 904 to 504
Calculation steps:
[( 504 - 904 ) ÷ 904] x 100 = -44.25%
Formula
Percentage change = [(504 - 904) / 904] x 100
Subtract the new number by the original number
504 - 904 = -400
-400 ÷ 904 = -0.4424778761061947
-0.4424778761061947 x 100 = -44.25%