-0.27% is the change from 731 to 729
Calculation steps:
[( 729 - 731 ) ÷ 731] x 100 = -0.27%
Formula
Percentage change = [(729 - 731) / 731] x 100
Subtract the new number by the original number
729 - 731 = -2
-2 ÷ 731 = -0.0027359781121751026
-0.0027359781121751026 x 100 = -0.27%