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 +2.4
Sturm Graz 0 Ried 0 -0.5
+0.1
Wolfsberger 2 Mattersburg 0 -0.1
Admira 2 Altach 1 +0.1
Week of 5/8100.0*Erste Liga100.0*Average seed
Ried 2 Grödig 0 No
+0.4
Mattersburg 0 Rapid Wien 2 -1.0
+0.1
Altach 1 Wolfsberger 1 +0.0
Ried 0 Austria Wien 5 -0.5
Wolfsberger 1 Admira 2 +0.2
Rapid Wien 1 Altach 1 -0.1
Sturm Graz 1 Mattersburg 1 -0.0
Week of 5/15100.0*Erste Liga100.0*Average seed
Altach 0 Ried 0 +0.6
Mattersburg 2 Grödig 3 +0.2
Salzburg 1 Wolfsberger 0 +0.1
Points
Chance Will Win Championship