-50.4% is the change from 885 to 439
Calculation steps:
[( 439 - 885 ) ÷ 885] x 100 = -50.4%
Formula
Percentage change = [(439 - 885) / 885] x 100
Subtract the new number by the original number
439 - 885 = -446
-446 ÷ 885 = -0.503954802259887
-0.503954802259887 x 100 = -50.4%