-19.39% is the change from 887 to 715
Calculation steps:
[( 715 - 887 ) ÷ 887] x 100 = -19.39%
Formula
Percentage change = [(715 - 887) / 887] x 100
Subtract the new number by the original number
715 - 887 = -172
-172 ÷ 887 = -0.1939120631341601
-0.1939120631341601 x 100 = -19.39%