3.88% is the change from 721 to 749
Calculation steps:
[( 749 - 721 ) ÷ 721] x 100 = 3.88%
Formula
Percentage change = [(749 - 721) / 721] x 100
Subtract the new number by the original number
749 - 721 = 28
28 ÷ 721 = 0.038834951456310676
0.038834951456310676 x 100 = 3.88%