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estimate
estimate and status
status
or, manual
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Usually, a task progress is calculated as "time spent" / ("time spent" + "remaining estimate"). Meaning, a task becomes 100% complete if the remaining estimate is set to zero or is not defined. A task in status Done shows percent complete less than 100% if remaining time for the task is bigger than zero. Having remaining estimate on task means there is more work to it. We recommend having remaining estimate zero on completed tasks, as this may cause invalid calculation of remaining work in different reporting tools.
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