137.17% is the change from 304 to 721
Calculation steps:
[( 721 - 304 ) ÷ 304] x 100 = 137.17%
Formula
Percentage change = [(721 - 304) / 304] x 100
Subtract the new number by the original number
721 - 304 = 417
417 ÷ 304 = 1.3717105263157894
1.3717105263157894 x 100 = 137.17%