0.97% is the change from 721 to 728
Calculation steps:
[( 728 - 721 ) ÷ 721] x 100 = 0.97%
Formula
Percentage change = [(728 - 721) / 721] x 100
Subtract the new number by the original number
728 - 721 = 7
7 ÷ 721 = 0.009708737864077669
0.009708737864077669 x 100 = 0.97%