17.68% is the change from 345 to 406
Calculation steps:
[( 406 - 345 ) ÷ 345] x 100 = 17.68%
Formula
Percentage change = [(406 - 345) / 345] x 100
Subtract the new number by the original number
406 - 345 = 61
61 ÷ 345 = 0.17681159420289855
0.17681159420289855 x 100 = 17.68%