149.67% is the change from 306 to 764
Calculation steps:
[( 764 - 306 ) ÷ 306] x 100 = 149.67%
Formula
Percentage change = [(764 - 306) / 306] x 100
Subtract the new number by the original number
764 - 306 = 458
458 ÷ 306 = 1.4967320261437909
1.4967320261437909 x 100 = 149.67%