Formula

| RR | retention rate,RR,employee retention rate,workplace retention rate |
| NOEATB | number of employees at the beginning of a period |
| NOEATA | number of employees remaining with the company at the end of the period |

| RR | retention rate,RR,employee retention rate,workplace retention rate |
| NOEATB | number of employees at the beginning of a period |
| NOEATA | number of employees remaining with the company at the end of the period |
