What is the percentage of Tasks / phases comepleted in my Epic

[Medhat Riad]

Hi,
I would like to know how I can identify the status of the Epic that have different phases and tasks like this example below

Each week I want to present a gadget or percentage of the phases and tasks comepleted in this Epic

Thanks in Advance

Project A (Epic) 100%

• Phase1 (Story) 25%
  • Task1 (Sub task) 10%
  • Task3(Sub task) 10%
  • Task4(Sub task) 15%
  • ..
• Phase2 50%
  • Task1
  • Task2
  • …
• Phase3 15%
  • Task1
  • Task2
  • Task3
• Phase4 10%
  • Task1
  • Task2

[Mirek]

You might check Epic Burndown chart - https://confluence.atlassian.com/jirasoftwarecloud/epic-burndown-777002693.html

Maybe that would be a better view for you to see the progress on Epics