46.61% is the change from 339 to 497
Calculation steps:
[( 497 - 339 ) ÷ 339] x 100 = 46.61%
Formula
Percentage change = [(497 - 339) / 339] x 100
Subtract the new number by the original number
497 - 339 = 158
158 ÷ 339 = 0.46607669616519176
0.46607669616519176 x 100 = 46.61%