16.23% is the change from 345 to 401
Calculation steps:
[( 401 - 345 ) ÷ 345] x 100 = 16.23%
Formula
Percentage change = [(401 - 345) / 345] x 100
Subtract the new number by the original number
401 - 345 = 56
56 ÷ 345 = 0.16231884057971013
0.16231884057971013 x 100 = 16.23%