Check this out if you want to know how to get 100% in the pie chart.
100% Learner: Complete all the courses SL provides.
100% Contributor: Post 50 answers with a minimum of 5 likes each.
100% Coder: Post 50 codes with a minimum of 5 likes each.
100% Challenger: Win 1000 challenges.
100% Influencer: Have 1000 followers.
Hope this helps!!
Check these out if you want to know how to use the Q&A section and feed