In the year 2014, the salary expense of Books Publishing company is 16 lakhs and the total number of employees are 80 and in the year 2015, the average salary of employees is Rs. 4000 more than the previous year. The salary expense in 2015 is 20% more than the previous year. The other expense in the year 2015 is 34 lakhs. The total expense in the year 2014 and 2015 is same. In the year 2016, the number of employees is 5 less then the preious year. The average salary of employees in the year Rs. 15000 and the other expense in the year 2016 is Rs. 47.75 lakhs. Note : Salary expense= Aberage salary of employees `**` Number of employees Total expense =Salary expense + other expense. Find the difference between the number of employees in the year 2014 to that in the year 2016?