% Complete not totalling correctly

I have a roll up task with several children (All are indented under the parent). All but one of the children are at 0% and one is at 100%. The Parent is showing 100% yet I have several tasks that either have not started or are at 0%. Not sure what I am doing wrong and did not see anything like this in the forum.

Thanks
Don

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Don Sievert

One thing I forgot to add--many of the children are 0 Duration to reflect a key milestone or deliverable completion. The one item that is 100% has a duration---Does % complete only work on duration based children?

JamesR

Don,

See the post here:

https://community.smartsheet.com/discussion/percent-calculation

Yes it workds on % Duration Complete

James

Travis

Parent row percent complete rollup represents a weighted average of child rows based on duration and percent complete of the child rows. If the task has a 0 day duration (milestone) then it will not be included in the rollup.