How are these numbers calculated?

Big Games

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

Week of 10/21100.0*Promoted100.0*Average seed
Trelleborg 4 Åtvidaberg 0 -1.7
-0.0
Öster 1 Falkenberg 1 -0.8
-0.2
IK Frej 2 Trelleborg 2 No
Degerfors 1 Helsingborg 1 +0.1
Värnamo 6 Syrianska 1 -0.1
Week of 10/28100.0*Promoted100.0*Average seed
Syrianska 1 Falkenberg 2 -0.2
Norrby 2 Värnamo 3 -0.2
ÖIS 0 Helsingborg 3 -0.2
Öster 0 BP 0 +0.2
Gefle 1 Degerfors 1 +0.0
Week of 11/4100.0*Promoted100.0*Average seed
Helsingborg 0 Öster 2 +1.3
Falkenberg 3 IK Frej 1 -0.2
Värnamo 2 ÖIS 1 -0.2
Points
Chance Will Win Championship