9.86% is the change from 710 to 780
Calculation steps:
[( 780 - 710 ) ÷ 710] x 100 = 9.86%
Formula
Percentage change = [(780 - 710) / 710] x 100
Subtract the new number by the original number
780 - 710 = 70
70 ÷ 710 = 0.09859154929577464
0.09859154929577464 x 100 = 9.86%