43.51% is the change from 239 to 343
Calculation steps:
[( 343 - 239 ) ÷ 239] x 100 = 43.51%
Formula
Percentage change = [(343 - 239) / 239] x 100
Subtract the new number by the original number
343 - 239 = 104
104 ÷ 239 = 0.4351464435146444
0.4351464435146444 x 100 = 43.51%