How are these numbers calculated?

Big Games

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

Week of 11/23100.0*Chance in playoffs100.0*Average seed
Salzburg 3 Vitória Guimarães 0 In
+0.1
Konyaspor 1 Marseille 1 +1.0
+0.1
Week of 12/7None
Points
Chance Will Make Playoffs