How are these numbers calculated?

Big Games

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

Week of 11/22100.0*Chance in playoffs100.0*Average seed
Juventus 0 Barcelona 0 In
+0.1
Sporting CP 3 Olympiakos Pira 1 -0.6
Week of 12/6None
Points
Chance Will Make Playoffs