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*Average seed
Wolfsberger AC 2 Austria Wien 1 -0.3
Rheindorf Altach 1 St. Pölten 3 +0.1
Admira 1 Mattersburg 1 +0.0
Week of 5/13100.0*Average seed
St. Pölten 2 Austria Wien 0 -0.3
Salzburg 1 Mattersburg 0 +0.2
Rapid Wien 4 Rheindorf Altach 1 +0.1
Week of 5/20100.0*Average seed
Austria Wien 4 Salzburg 0 +0.3
Mattersburg 2 LASK Linz 1 -0.1
Rheindorf Altach 0 Sturm Graz 0 +0.1
Points
Chance Will Win Championship