-8.88% is the change from 856 to 780
Calculation steps:
[( 780 - 856 ) ÷ 856] x 100 = -8.88%
Formula
Percentage change = [(780 - 856) / 856] x 100
Subtract the new number by the original number
780 - 856 = -76
-76 ÷ 856 = -0.08878504672897196
-0.08878504672897196 x 100 = -8.88%