20.34% is the change from 290 to 349
Calculation steps:
[( 349 - 290 ) ÷ 290] x 100 = 20.34%
Formula
Percentage change = [(349 - 290) / 290] x 100
Subtract the new number by the original number
349 - 290 = 59
59 ÷ 290 = 0.20344827586206896
0.20344827586206896 x 100 = 20.34%