134.09% is the change from 308 to 721
Calculation steps:
[( 721 - 308 ) ÷ 308] x 100 = 134.09%
Formula
Percentage change = [(721 - 308) / 308] x 100
Subtract the new number by the original number
721 - 308 = 413
413 ÷ 308 = 1.3409090909090908
1.3409090909090908 x 100 = 134.09%