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*Relegated100.0*Average seed
Trelleborg 4 Åtvidaberg 0 No
Degerfors 1 Helsingborg 1 +0.1
Varberg 0 ÖIS 0 No
+0.0
GAIS 2 Norrby 1 +0.1
Värnamo 6 Syrianska 1 +0.5
Week of 10/28100.0*Promoted100.0*Relegated100.0*Average seed
Norrby 2 Värnamo 3 +0.8
ÖIS 0 Helsingborg 3 -0.3
Syrianska 1 Falkenberg 2 -0.2
Gefle 1 Degerfors 1 +0.1
Öster 0 BP 0 -0.0
Week of 11/4100.0*Promoted100.0*Relegated100.0*Average seed
Värnamo 2 ÖIS 1 +0.5
Falkenberg 3 IK Frej 1 -0.3
Helsingborg 0 Öster 2 -0.1
Points
Chance Will Win Championship