46.26% is the change from 348 to 509
Calculation steps:
[( 509 - 348 ) ÷ 348] x 100 = 46.26%
Formula
Percentage change = [(509 - 348) / 348] x 100
Subtract the new number by the original number
509 - 348 = 161
161 ÷ 348 = 0.46264367816091956
0.46264367816091956 x 100 = 46.26%