How are these numbers calculated?

Big Games

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

Week of 11/25100.0*Chance in playoffs100.0*Average seed
Schalke 0 Chelsea 5 In
+0.1
Sporting 3 Maribor 1 -0.8
Week of 12/9None
Points
Chance Will Make Playoffs