Is there some relation between the task columns "Status" and "Completed" ? I am using 2013. I was wondering if you set the status to "Finished", the completed percentage will be 100%.

2 Answers 2


Yes, but the other Answer is just part of the Answer

All this applies to Language Localized values as well

  • % Complete is set to 0 when you set the Status to Not Started
  • % Complete is set to 100 when you set the Status to Completed
  • % Complete is set to 50 when you set the Status to any other value

This is rather annoying behaviour when you add an extra Status value and do not want the % Complete changed.
In our case we added a 'Next Sprint' Status, and we had to add an On-Change Workflow to reset the % Complete back to 0 for a 'Next Sprint' Status

[Completed] is not a regular Calculated Column

It has special code behind it which displays the checkbox

  • when checked the Status is changed to Completed and % Complete set to 100
  • when unchecked the Status is changed to Not Started and % Complete set to 0

Nowadays with SP2013 this checkbox w/could have been done with CSR - Client Side Rendering.

Note: The % complete value is actually between 0 and 1; so 50% = 0.5
In case you want to use it in other Calculated Columns

  • It is possible configure to when change the status to in progress dont change the % complete? Commented Mar 29, 2016 at 19:01
  • No, you would have to override SharePoint code; or not use the Completed field and built you own Checkbox using Client Side Rendering Commented Mar 30, 2016 at 13:42

Yes the % Complete and Task Status columns in a Tasks list are related.

If you set the % Complete column from 0 to 50%, the Task Status will change from Not Started to In Progress. If you then set it to 100% the status will change to Completed.

This works the other way as well. If you set the Task Status from Not Started to Complete, the % Complete column will change to 100%.

  • Why do I have a task list where there is no relation between these 2 columns? Was this relation also in sp 2010?
    – Ola
    Commented Sep 23, 2015 at 11:14
  • Not sure why. If this is a specific problem for you submit another question to get exposure. I can't speak for 2010, I haven't really ever used it.
    – Submits
    Commented Sep 23, 2015 at 12:05
  • Also worth noting, when changing % Complete, the status is not programmed to change to Not Started, In Progress or Completed, but their respective index in the default choices. That is to say, if you changed the order of these statuses in any way, e.g. by adding an additional status before Not Started or moving Deferred before Completed, SharePoint keeps using the 1st status as Not Started, the 2nd as In Progress and the 3rd as Completed.
    – zypA13510
    Commented Oct 26, 2018 at 1:58

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