Since the number of employees increased by 4%, then, find what is 4% of 389 equal to. That corresponds to the amount of new employees.
To find what is 4% of 389, multiply 389 by 4/100:
[tex]389\times\frac{4}{100}=15.56\approx16[/tex]Rounded to the nearest whole number, there are 16 new employees.
Add 16 to 389 to find the total amount of employees this year:
[tex]389+16=405[/tex]Therefore, the number of employees this year is 405.