143.14% is the change from 306 to 744
Calculation steps:
[( 744 - 306 ) ÷ 306] x 100 = 143.14%
Formula
Percentage change = [(744 - 306) / 306] x 100
Subtract the new number by the original number
744 - 306 = 438
438 ÷ 306 = 1.4313725490196079
1.4313725490196079 x 100 = 143.14%