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
Leverkusen 0 Monaco 1 +24.2
+0.6
Zenit 1 Benfica 0 +2.8
+0.1
Week of 12/9100.0*Chance in playoffs100.0*Average seed
Monaco 2 Zenit 0 In
+0.7
Benfica 0 Leverkusen 0 +0.0
Points
Chance Will Make Playoffs