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 +2.0
Wolfsberger 2 Mattersburg 0 +0.6
-0.4
Sturm Graz 0 Ried 0 +0.1
-0.0
Admira 2 Altach 1 +0.1
Week of 5/8100.0*Erste Liga100.0*Average seed
Grödig 1 Salzburg 2 No
+0.0
Sturm Graz 1 Mattersburg 1 No
+0.2
Mattersburg 0 Rapid Wien 2 +4.3
-0.4
Ried 2 Grödig 0 -3.3
-0.1
Altach 1 Wolfsberger 1 +0.1
+0.1
Rapid Wien 1 Altach 1 -0.1
Ried 0 Austria Wien 5 +0.1
Week of 5/15100.0*Erste Liga100.0*Average seed
Mattersburg 2 Grödig 3 -0.5
Altach 0 Ried 0 -0.0
Points
Chance Will Win Championship