19.31% is the change from 290 to 346
Calculation steps:
[( 346 - 290 ) ÷ 290] x 100 = 19.31%
Formula
Percentage change = [(346 - 290) / 290] x 100
Subtract the new number by the original number
346 - 290 = 56
56 ÷ 290 = 0.19310344827586207
0.19310344827586207 x 100 = 19.31%