-50.62% is the change from 887 to 438
Calculation steps:
[( 438 - 887 ) ÷ 887] x 100 = -50.62%
Formula
Percentage change = [(438 - 887) / 887] x 100
Subtract the new number by the original number
438 - 887 = -449
-449 ÷ 887 = -0.5062006764374295
-0.5062006764374295 x 100 = -50.62%