-4.65% is the change from 818 to 780
Calculation steps:
[( 780 - 818 ) ÷ 818] x 100 = -4.65%
Formula
Percentage change = [(780 - 818) / 818] x 100
Subtract the new number by the original number
780 - 818 = -38
-38 ÷ 818 = -0.04645476772616137
-0.04645476772616137 x 100 = -4.65%