Pie chart calculation

Question

On what basis the pie chart values are calculated?
For example: Learner, Contributor, Coder Influencer

Answer 1

learner:30+ course now. if you complete all courses then you get 100%. otherwise number of courses completed by total number of courses%.
https://www.sololearn.com/discuss/265356/?ref=app

Answer 2

The learner one, I believe is based on how much of all the courses you have completed.
The rest I'm not sure.