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
Basel 0 Real Madrid 1 -12.2
-0.2
Ludogorets 2 Liverpool 2 +4.8
Week of 12/9100.0*Chance in playoffs100.0*Average seed
Liverpool 1 Basel 1 In
+0.5
Real Madrid 4 Ludogorets 0 +0.1
Points
Chance Will Make Playoffs