Regular > When someone visits the forum on a daily basis.
Regular > It’s a rank, not that regular which means visiting the forum on a daily basis.
Percentage > Likes would never have any kind of percentage purpose, it’s what you give as in feedback and takes as in feedback/appreciation by others.
About you, you’re a basic user, You can check your Trust Level on your profile page.
And under ‘‘Summary’’ tab, you can see how many likes you have made and taken. Your given are 21 and taken 2 so far. (You can check anyone’s summary by visiting their profile)
These are final and required requirements. No fewer requirements. And never regret, too much has given and too many things upcoming for fewer ranks too. Stay tuned.