15.8% is the change from 348 to 403
Calculation steps:
[( 403 - 348 ) ÷ 348] x 100 = 15.8%
Formula
Percentage change = [(403 - 348) / 348] x 100
Subtract the new number by the original number
403 - 348 = 55
55 ÷ 348 = 0.15804597701149425
0.15804597701149425 x 100 = 15.8%