125.31% is the change from 320 to 721
Calculation steps:
[( 721 - 320 ) ÷ 320] x 100 = 125.31%
Formula
Percentage change = [(721 - 320) / 320] x 100
Subtract the new number by the original number
721 - 320 = 401
401 ÷ 320 = 1.253125
1.253125 x 100 = 125.31%