Tính tỷ lệ nghỉ việc hàng tháng. Tính tỷ lệ nghỉ việc hàng quý. Tính tỷ lệ nghỉ việc hàng năm.

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
To calculate the attrition rate for any given month, you need to know the total number of employees at the beginning of the month.  Then, you need to know the number of new employees added that month.  Finally, determine the number of employees who left.  The number of employees who left is the number of attritions.  Plug the numbers into the following formula: Attrition Rate = Number of Attritions/Average Number of Employees *100. For example, suppose a telecommunications company had 150 employ