3.12% is the change from 706 to 728
Calculation steps:
[( 728 - 706 ) ÷ 706] x 100 = 3.12%
Formula
Percentage change = [(728 - 706) / 706] x 100
Subtract the new number by the original number
728 - 706 = 22
22 ÷ 706 = 0.031161473087818695
0.031161473087818695 x 100 = 3.12%