<tbody>
Status
Date of joining
Date of transfer
Date of resign
formula
Active
1/1/18
=IF(ISNUMBER([@[Date of Leaving]]),"Resigned","Active")
Resigned
1/1/18
1/31/18
<tbody>
=IF(ISNUMBER([@[Date of Leaving]]),"Resigned","Active")
</tbody>
Transfer
1/1/18
1/15/18
Combined formula...