12.56% is the change from 780 to 878
Calculation steps:
[( 878 - 780 ) ÷ 780] x 100 = 12.56%
Formula
Percentage change = [(878 - 780) / 780] x 100
Subtract the new number by the original number
878 - 780 = 98
98 ÷ 780 = 0.12564102564102564
0.12564102564102564 x 100 = 12.56%