2.97% is the change from 708 to 729
Calculation steps:
[( 729 - 708 ) ÷ 708] x 100 = 2.97%
Formula
Percentage change = [(729 - 708) / 708] x 100
Subtract the new number by the original number
729 - 708 = 21
21 ÷ 708 = 0.029661016949152543
0.029661016949152543 x 100 = 2.97%