-49.27% is the change from 887 to 450
Calculation steps:
[( 450 - 887 ) ÷ 887] x 100 = -49.27%
Formula
Percentage change = [(450 - 887) / 887] x 100
Subtract the new number by the original number
450 - 887 = -437
-437 ÷ 887 = -0.4926719278466742
-0.4926719278466742 x 100 = -49.27%