-12.06% is the change from 887 to 780
Calculation steps:
[( 780 - 887 ) ÷ 887] x 100 = -12.06%
Formula
Percentage change = [(780 - 887) / 887] x 100
Subtract the new number by the original number
780 - 887 = -107
-107 ÷ 887 = -0.12063134160090191
-0.12063134160090191 x 100 = -12.06%