-43.94% is the change from 899 to 504
Calculation steps:
[( 504 - 899 ) ÷ 899] x 100 = -43.94%
Formula
Percentage change = [(504 - 899) / 899] x 100
Subtract the new number by the original number
504 - 899 = -395
-395 ÷ 899 = -0.43937708565072303
-0.43937708565072303 x 100 = -43.94%