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
Sporting Braga 3 Hoffenheim 1 In
+0.6
Ludogorets 1 İstanbul 2 -3.8
+0.0
Week of 12/7100.0*Chance in playoffs100.0*Average seed
Hoffenheim 1 Ludogorets 1 +0.2
İstanbul 2 Sporting Braga 1 -0.1
Points
Chance Will Make Playoffs