2.12% is the change from 706 to 721
Calculation steps:
[( 721 - 706 ) ÷ 706] x 100 = 2.12%
Formula
Percentage change = [(721 - 706) / 706] x 100
Subtract the new number by the original number
721 - 706 = 15
15 ÷ 706 = 0.021246458923512748
0.021246458923512748 x 100 = 2.12%