4.34% is the change from 691 to 721
Calculation steps:
[( 721 - 691 ) ÷ 691] x 100 = 4.34%
Formula
Percentage change = [(721 - 691) / 691] x 100
Subtract the new number by the original number
721 - 691 = 30
30 ÷ 691 = 0.04341534008683068
0.04341534008683068 x 100 = 4.34%