-43.4% is the change from 887 to 502
Calculation steps:
[( 502 - 887 ) ÷ 887] x 100 = -43.4%
Formula
Percentage change = [(502 - 887) / 887] x 100
Subtract the new number by the original number
502 - 887 = -385
-385 ÷ 887 = -0.43404735062006766
-0.43404735062006766 x 100 = -43.4%