15.49% is the change from 710 to 820
Calculation steps:
[( 820 - 710 ) ÷ 710] x 100 = 15.49%
Formula
Percentage change = [(820 - 710) / 710] x 100
Subtract the new number by the original number
820 - 710 = 110
110 ÷ 710 = 0.15492957746478872
0.15492957746478872 x 100 = 15.49%