16.86% is the change from 350 to 409
Calculation steps:
[( 409 - 350 ) ÷ 350] x 100 = 16.86%
Formula
Percentage change = [(409 - 350) / 350] x 100
Subtract the new number by the original number
409 - 350 = 59
59 ÷ 350 = 0.16857142857142857
0.16857142857142857 x 100 = 16.86%