15.04% is the change from 678 to 780
Calculation steps:
[( 780 - 678 ) ÷ 678] x 100 = 15.04%
Formula
Percentage change = [(780 - 678) / 678] x 100
Subtract the new number by the original number
780 - 678 = 102
102 ÷ 678 = 0.1504424778761062
0.1504424778761062 x 100 = 15.04%