Adding "Smart Checklist Progress" field will let you
- Go to "Custom Fields"
- "Add Custom Field"
- Choose "Text Field (single line)"
- Name it "Smart Checklist Progress" (mind the caps letters and exact words)
- Associate screens to the projects where you want to track progress and setup validator
- Screen names might differ from Project to Project. Usually, it's "...Default Issue Screen" or "...Edit/View Issue Screen"