A typical annualized attrition rate can be calculated using the formula: Attrition rate (Annual) = (Number of employees left in the year /Average number of employees in the year) * 100. This rate signifies the balance between the number of employees leaving, staying, and going each year. It is used to generate payroll analysis and benefits predictions. It is a helpful formula for any growing
. business. It is also used regularly by established businesses.