Sorry if I'm always late to the party! New ranking system?

So three or days ago I couldn't even post on steemit because I had a (-6) on my ranking. After a little luck, and posting on a few blogs the steemit community helped me out. I made it to a (5), and was happy with that. Today I get on steemit and have a (4) which is fine, but now I'm seeing people with (25) and above beside their names. Can anyone explain this to me? Thanks!

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