-0.55% is the change from 728 to 724
Calculation steps:
[( 724 - 728 ) ÷ 728] x 100 = -0.55%
Formula
Percentage change = [(724 - 728) / 728] x 100
Subtract the new number by the original number
724 - 728 = -4
-4 ÷ 728 = -0.005494505494505495
-0.005494505494505495 x 100 = -0.55%