-0.27% is the change from 733 to 731
Calculation steps:
[( 731 - 733 ) ÷ 733] x 100 = -0.27%
Formula
Percentage change = [(731 - 733) / 733] x 100
Subtract the new number by the original number
731 - 733 = -2
-2 ÷ 733 = -0.002728512960436562
-0.002728512960436562 x 100 = -0.27%