How are these numbers calculated?

Big Games

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

Week of 5/8100.0*UEFA CL100.0*Average seed
Sturm Graz 3 LASK Linz 1 -5.7
+0.1
Rapid Wien 1 Salzburg 4 -5.1
-0.2
Week of 5/13100.0*UEFA CL100.0*Average seed
LASK Linz 1 Wolfsberger AC 3 +0.2
Rapid Wien 4 Rheindorf Altach 1 +0.2
Week of 5/20None
Points
Chance Will Win Championship