28.32% is the change from 339 to 435
Calculation steps:
[( 435 - 339 ) ÷ 339] x 100 = 28.32%
Formula
Percentage change = [(435 - 339) / 339] x 100
Subtract the new number by the original number
435 - 339 = 96
96 ÷ 339 = 0.2831858407079646
0.2831858407079646 x 100 = 28.32%