How are these numbers calculated?

Big Games

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

Week of 4/23100.0*Average seed
SC Magna 2 Ried 0 -0.3
Sturm Graz 0 Linz 1 -0.2
Austria Wien 5 Mattersburg 1 +0.0
Week of 4/30100.0*Average seed
Mattersburg 3 Ried 1 -0.5
Ried 1 Sturm Graz 2 -0.3
Linz 0 Austria Wien 1 +0.1
Mattersburg 1 Austria Kärnten 1 +0.1
Austria Kärnten 2 Linz 2 +0.1
Week of 5/13100.0*Average seed
Austria Wien 2 Ried 0 -0.1
Kapfenberg 2 Linz 0 +0.1
Points
Chance Will Win Championship