-0.27% is the change from 730 to 728
Calculation steps:
[( 728 - 730 ) ÷ 730] x 100 = -0.27%
Formula
Percentage change = [(728 - 730) / 730] x 100
Subtract the new number by the original number
728 - 730 = -2
-2 ÷ 730 = -0.0027397260273972603
-0.0027397260273972603 x 100 = -0.27%