-42.84% is the change from 887 to 507
Calculation steps:
[( 507 - 887 ) ÷ 887] x 100 = -42.84%
Formula
Percentage change = [(507 - 887) / 887] x 100
Subtract the new number by the original number
507 - 887 = -380
-380 ÷ 887 = -0.42841037204058624
-0.42841037204058624 x 100 = -42.84%