16.91% is the change from 343 to 401
Calculation steps:
[( 401 - 343 ) ÷ 343] x 100 = 16.91%
Formula
Percentage change = [(401 - 343) / 343] x 100
Subtract the new number by the original number
401 - 343 = 58
58 ÷ 343 = 0.16909620991253643
0.16909620991253643 x 100 = 16.91%