How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 4/5None
Week of 4/12100.0*Average seed
Huracan 0 Penarol 0 +0.1
Sporting Cristal 0 Atletico Nacional 1 +0.1
Week of 4/19None
Points
Chance Will Make Playoffs