3.19% is the change from 721 to 744
Calculation steps:
[( 744 - 721 ) ÷ 721] x 100 = 3.19%
Formula
Percentage change = [(744 - 721) / 721] x 100
Subtract the new number by the original number
744 - 721 = 23
23 ÷ 721 = 0.0319001386962552
0.0319001386962552 x 100 = 3.19%