113.79% is the change from 290 to 620
Calculation steps:
[( 620 - 290 ) ÷ 290] x 100 = 113.79%
Formula
Percentage change = [(620 - 290) / 290] x 100
Subtract the new number by the original number
620 - 290 = 330
330 ÷ 290 = 1.1379310344827587
1.1379310344827587 x 100 = 113.79%