17.56% is the change from 706 to 830
Calculation steps:
[( 830 - 706 ) ÷ 706] x 100 = 17.56%
Formula
Percentage change = [(830 - 706) / 706] x 100
Subtract the new number by the original number
830 - 706 = 124
124 ÷ 706 = 0.17563739376770537
0.17563739376770537 x 100 = 17.56%