-2.28% is the change from 745 to 728
Calculation steps:
[( 728 - 745 ) ÷ 745] x 100 = -2.28%
Formula
Percentage change = [(728 - 745) / 745] x 100
Subtract the new number by the original number
728 - 745 = -17
-17 ÷ 745 = -0.022818791946308724
-0.022818791946308724 x 100 = -2.28%