23.6% is the change from 339 to 419
Calculation steps:
[( 419 - 339 ) ÷ 339] x 100 = 23.6%
Formula
Percentage change = [(419 - 339) / 339] x 100
Subtract the new number by the original number
419 - 339 = 80
80 ÷ 339 = 0.2359882005899705
0.2359882005899705 x 100 = 23.6%