2.84% is the change from 704 to 724
Calculation steps:
[( 724 - 704 ) ÷ 704] x 100 = 2.84%
Formula
Percentage change = [(724 - 704) / 704] x 100
Subtract the new number by the original number
724 - 704 = 20
20 ÷ 704 = 0.028409090909090908
0.028409090909090908 x 100 = 2.84%