-51.07% is the change from 887 to 434
Calculation steps:
[( 434 - 887 ) ÷ 887] x 100 = -51.07%
Formula
Percentage change = [(434 - 887) / 887] x 100
Subtract the new number by the original number
434 - 887 = -453
-453 ÷ 887 = -0.5107102593010147
-0.5107102593010147 x 100 = -51.07%