15.21% is the change from 677 to 780
Calculation steps:
[( 780 - 677 ) ÷ 677] x 100 = 15.21%
Formula
Percentage change = [(780 - 677) / 677] x 100
Subtract the new number by the original number
780 - 677 = 103
103 ÷ 677 = 0.15214180206794684
0.15214180206794684 x 100 = 15.21%