130.07% is the change from 306 to 704
Calculation steps:
[( 704 - 306 ) ÷ 306] x 100 = 130.07%
Formula
Percentage change = [(704 - 306) / 306] x 100
Subtract the new number by the original number
704 - 306 = 398
398 ÷ 306 = 1.3006535947712419
1.3006535947712419 x 100 = 130.07%