How are these numbers calculated?

Big Games

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

Week of 5/16100.0*Average seed
Ried 4 Altach 1 +0.2
Grödig 3 Ried 2 -0.2
Austria Wien 0 Admira 1 +0.1
Rapid Wien 4 Austria Wien 1 +0.1
Week of 5/24100.0*Average seed
Ried 0 Austria Wien 2 -0.2
Week of 5/31100.0*Average seed
Sturm Graz 0 Ried 0 -0.1
Austria Wien 1 Salzburg 1 +0.1
Points
Chance Will Win Championship