Customfield that shows progress of subtasks or related issues based on number value. For example TP progress derived from its TCs or Requirement test progress derived from TPs.
in Administration-> Issues -> Custom Fields add Custom Field of type TestFLO - Progress CF Based on Number CF.
Define its context scheme for applicable issue types and projects; restrict visibility for certain screens.
Choose Source Number CF (only number value custom fields are applicable) to be source of the data that will be and presented.
Switch flag 'Use subtasks' should be true for calculating progress based on subtasks. If this flag is set to false, then 'Child issue key cf id' should be selected (it should store issue key referring to parent issue – based on that is created relationship issue-subtask).
Select statuses that will be recognized as finished.
Select custom field storing number value on subtask. It will be used to calculate parent issue progress.
You can also switch from showing value instead percentage ("Show value instead %" configuration option). Also you can show value or percentage under a bar.