How are these numbers calculated?

Big Games

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

Week of 11/28100.0*Chance in playoffs100.0*Average seed
Bayern München 5 Benfica 1 In
+0.1
AEK Athens 0 Ajax 2 -0.1
Week of 12/12100.0*Chance in playoffs100.0*Average seed
Ajax 3 Bayern München 3 +0.3
Points
Chance Will Make Playoffs