-44.31% is the change from 905 to 504
Calculation steps:
[( 504 - 905 ) ÷ 905] x 100 = -44.31%
Formula
Percentage change = [(504 - 905) / 905] x 100
Subtract the new number by the original number
504 - 905 = -401
-401 ÷ 905 = -0.4430939226519337
-0.4430939226519337 x 100 = -44.31%