Formula to calculate attrition rate?

Updated: 5 months ago
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When employees leaving the organization, called attrition. This can be voluntary or involuntary attrition. Here, I am sharing the attrition calculation and formula. 

ATTRITION RATE = ((No. Of Attritions x 100) / (Actual Employees + New Joined)) /100.

Example:

  1. Actual Employees (Opening BAL) - 150
  2. No. Of people left (Attritions) - 20
  3. No. Of Joined - 25

So according to the formula: ((20 x 100) / (150 + 25)) / 100

Which comes to 0.1142 i.e. 11%

Now as you had 150 previously and now 25 joined so it makes 150 + 25 =175

Now if you calculate 11.42% of 175 i.e. 175 x 0.1142 = 20

This clearly shows that 175 – 20 = 155, which is your current headcount and at the same time you can say my attrition is 11.42%.

That shows you lost 20 employees of 150 and 25 more joined which makes count to 175.

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khushal sharma
khushal sharma May 29, 2019 UTC
Thanks for the information
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