-8.56% is the change from 853 to 780
Calculation steps:
[( 780 - 853 ) ÷ 853] x 100 = -8.56%
Formula
Percentage change = [(780 - 853) / 853] x 100
Subtract the new number by the original number
780 - 853 = -73
-73 ÷ 853 = -0.08558030480656506
-0.08558030480656506 x 100 = -8.56%