16.9% is the change from 710 to 830
Calculation steps:
[( 830 - 710 ) ÷ 710] x 100 = 16.9%
Formula
Percentage change = [(830 - 710) / 710] x 100
Subtract the new number by the original number
830 - 710 = 120
120 ÷ 710 = 0.16901408450704225
0.16901408450704225 x 100 = 16.9%