-4.18% is the change from 814 to 780
Calculation steps:
[( 780 - 814 ) ÷ 814] x 100 = -4.18%
Formula
Percentage change = [(780 - 814) / 814] x 100
Subtract the new number by the original number
780 - 814 = -34
-34 ÷ 814 = -0.04176904176904177
-0.04176904176904177 x 100 = -4.18%