45.4% is the change from 348 to 506
Calculation steps:
[( 506 - 348 ) ÷ 348] x 100 = 45.4%
Formula
Percentage change = [(506 - 348) / 348] x 100
Subtract the new number by the original number
506 - 348 = 158
158 ÷ 348 = 0.4540229885057471
0.4540229885057471 x 100 = 45.4%