-0.28% is the change from 720 to 718
Calculation steps:
[( 718 - 720 ) ÷ 720] x 100 = -0.28%
Formula
Percentage change = [(718 - 720) / 720] x 100
Subtract the new number by the original number
718 - 720 = -2
-2 ÷ 720 = -0.002777777777777778
-0.002777777777777778 x 100 = -0.28%