How are these numbers calculated?

Big Games

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

Week of 5/15100.0*Average seed
Flamengo 2 Emelec 0 -0.2
Week of 5/22100.0*Average seed
River Plate 0 Flamengo 0 +0.4
Points
Chance Will Make Playoffs