-3.21% is the change from 748 to 724
Calculation steps:
[( 724 - 748 ) ÷ 748] x 100 = -3.21%
Formula
Percentage change = [(724 - 748) / 748] x 100
Subtract the new number by the original number
724 - 748 = -24
-24 ÷ 748 = -0.03208556149732621
-0.03208556149732621 x 100 = -3.21%