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*Average seed
Rosenborg 0 Real Sociedad 1 -0.1
Zenit 2 Vardar 1 +0.1
Week of 12/7100.0*Average seed
Real Sociedad 1 Zenit 3 +0.4
Points
Chance Will Make Playoffs