137.24% is the change from 290 to 688
Calculation steps:
[( 688 - 290 ) ÷ 290] x 100 = 137.24%
Formula
Percentage change = [(688 - 290) / 290] x 100
Subtract the new number by the original number
688 - 290 = 398
398 ÷ 290 = 1.3724137931034484
1.3724137931034484 x 100 = 137.24%