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*Relegated100.0*Average seed
Gefle 3 IK Frej 0 +6.7
-0.3
Värnamo 6 Syrianska 1 -3.5
+0.1
GAIS 2 Norrby 1 +1.0
-0.1
Trelleborg 4 Åtvidaberg 0 -0.8
+0.0
IK Frej 2 Trelleborg 2 -0.7
Week of 10/28100.0*Relegated100.0*Average seed
Syrianska 1 Falkenberg 2 -1.6
+0.0
Varberg 3 Åtvidaberg 0 -0.1
Week of 11/4None
Points
Chance Will Win Championship