-0.14% is the change from 721 to 720
Calculation steps:
[( 720 - 721 ) ÷ 721] x 100 = -0.14%
Formula
Percentage change = [(720 - 721) / 721] x 100
Subtract the new number by the original number
720 - 721 = -1
-1 ÷ 721 = -0.0013869625520110957
-0.0013869625520110957 x 100 = -0.14%