15.03% is the change from 346 to 398
Calculation steps:
[( 398 - 346 ) ÷ 346] x 100 = 15.03%
Formula
Percentage change = [(398 - 346) / 346] x 100
Subtract the new number by the original number
398 - 346 = 52
52 ÷ 346 = 0.15028901734104047
0.15028901734104047 x 100 = 15.03%