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*Erste Liga100.0*Average seed
Wiener Neustadt 2 Wolfsberger 0 +16.8
-0.2
Austria Wien 0 Admira 1 -13.9
+0.1
Admira 0 Wiener Neustadt 0 -5.2
+0.0
Week of 5/24100.0*Erste Liga100.0*Average seed
Admira 1 Sturm Graz 2 +16.7
-0.2
Rapid Wien 0 Wiener Neustadt 0 -7.1
+0.1
Week of 5/31100.0*Erste Liga100.0*Average seed
Grödig 0 Admira 1 No
+0.1
Wiener Neustadt 0 Altach 1 No
+0.1
Points
Chance Will Win Championship