620% is the change from 100 to 720
Calculation steps:
[( 720 - 100 ) ÷ 100] x 100 = 620%
Formula
Percentage change = [(720 - 100) / 100] x 100
Subtract the new number by the original number
720 - 100 = 620
620 ÷ 100 = 6.2
6.2 x 100 = 620%
Example