4.5% is the change from 689 to 720
Calculation steps:
[( 720 - 689 ) ÷ 689] x 100 = 4.5%
Formula
Percentage change = [(720 - 689) / 689] x 100
Subtract the new number by the original number
720 - 689 = 31
31 ÷ 689 = 0.04499274310595065
0.04499274310595065 x 100 = 4.5%