-2.99% is the change from 804 to 780
Calculation steps:
[( 780 - 804 ) ÷ 804] x 100 = -2.99%
Formula
Percentage change = [(780 - 804) / 804] x 100
Subtract the new number by the original number
780 - 804 = -24
-24 ÷ 804 = -0.029850746268656716
-0.029850746268656716 x 100 = -2.99%