0.42% is the change from 718 to 721
Calculation steps:
[( 721 - 718 ) ÷ 718] x 100 = 0.42%
Formula
Percentage change = [(721 - 718) / 718] x 100
Subtract the new number by the original number
721 - 718 = 3
3 ÷ 718 = 0.004178272980501393
0.004178272980501393 x 100 = 0.42%