The number beside your Profile Picture is the built-in HIVE Reputation system, it increases as you get upvotes, and decreases as you get downvotes.
INLEO team wants to do their own Reputation System to replace it that focuses more on activity and not upvotes, but until then, we're stuck with this one. Ask @khaeelkazi to confirm.
https://inleo.io/threads/view/the-african-man/re-taskmaster4450-xfbzuhex?referral=the-african-man