Channels’ profiles have tabs where different information is provided. You can tap on Overview, to find a summary of the channel in terms of rating, published questions, how fun it was for other users and the number of followers.
In the Quality tab you can see in detail how long it will take for the channel to reach the next level. This depends on the number of published questions, how fun users think it is, and the number of followers. In order to reach the following level, they all need to meet a required minimum.
For more information about Community Channels tap on Community.