3.57% is the change from 392 to 406
Calculation steps:
[( 406 - 392 ) ÷ 392] x 100 = 3.57%
Formula
Percentage change = [(406 - 392) / 392] x 100
Subtract the new number by the original number
406 - 392 = 14
14 ÷ 392 = 0.03571428571428571
0.03571428571428571 x 100 = 3.57%