3% is the change from 699 to 720
Calculation steps:
[( 720 - 699 ) ÷ 699] x 100 = 3%
Formula
Percentage change = [(720 - 699) / 699] x 100
Subtract the new number by the original number
720 - 699 = 21
21 ÷ 699 = 0.030042918454935622
0.030042918454935622 x 100 = 3%