82.01% is the change from 339 to 617
Calculation steps:
[( 617 - 339 ) ÷ 339] x 100 = 82.01%
Formula
Percentage change = [(617 - 339) / 339] x 100
Subtract the new number by the original number
617 - 339 = 278
278 ÷ 339 = 0.8200589970501475
0.8200589970501475 x 100 = 82.01%