How are these numbers calculated?

Big Games

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

Week of 4/30100.0*Erste Liga100.0*Average seed
Grödig 2 Rapid Wien 0 +1.9
Admira 2 Altach 1 +1.6
-0.5
Wolfsberger 2 Mattersburg 0 -0.2
+0.0
Sturm Graz 0 Ried 0 +0.0
Week of 5/8100.0*Erste Liga100.0*Average seed
Ried 2 Grödig 0 -4.2
-0.1
Grödig 1 Salzburg 2 No
Rapid Wien 1 Altach 1 No
-0.1
Mattersburg 0 Rapid Wien 2 -1.1
+0.2
Sturm Graz 1 Mattersburg 1 +0.7
+0.0
Altach 1 Wolfsberger 1 -0.2
-0.1
Ried 0 Austria Wien 5 +0.2
Week of 5/15100.0*Erste Liga100.0*Average seed
Altach 0 Ried 0 -0.4
Mattersburg 2 Grödig 3 +0.3
Points
Chance Will Win Championship