47.79% is the change from 339 to 501
Calculation steps:
[( 501 - 339 ) ÷ 339] x 100 = 47.79%
Formula
Percentage change = [(501 - 339) / 339] x 100
Subtract the new number by the original number
501 - 339 = 162
162 ÷ 339 = 0.4778761061946903
0.4778761061946903 x 100 = 47.79%