48.42% is the change from 349 to 518
Calculation steps:
[( 518 - 349 ) ÷ 349] x 100 = 48.42%
Formula
Percentage change = [(518 - 349) / 349] x 100
Subtract the new number by the original number
518 - 349 = 169
169 ÷ 349 = 0.48424068767908307
0.48424068767908307 x 100 = 48.42%