How are these numbers calculated?

Big Games

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

Week of 11/28100.0*Chance in playoffs100.0*Average seed
Porto 3 Schalke 04 1 -2.2
-0.4
Lokomotiv Moskva 2 Galatasaray 0 In
Week of 12/12None
Points
Chance Will Make Playoffs