-1.5% is the change from 731 to 720
Calculation steps:
[( 720 - 731 ) ÷ 731] x 100 = -1.5%
Formula
Percentage change = [(720 - 731) / 731] x 100
Subtract the new number by the original number
720 - 731 = -11
-11 ÷ 731 = -0.015047879616963064
-0.015047879616963064 x 100 = -1.5%