How are these numbers calculated?

Big Games

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

Week of 10/18100.0*Relegated100.0*Average seed
Åtvidaberg 2 Mjällby 1 -6.3
+0.2
Kalmar 1 Halmstad 3 +0.6
-0.1
Week of 10/19100.0*Relegated100.0*Average seed
Gefle 1 IFK Norrköping 2 -22.8
+0.9
Häcken 3 Gefle 1 -5.6
+0.1
Falkenberg 2 Helsingborg 0 +3.1
-0.2
Week of 10/26100.0*Relegated100.0*Average seed
IFK Norrköping 2 Örebro 0 No
+0.7
Mjällby 0 Kalmar 2 -0.2
Falkenberg 1 Mjällby 1 +0.1
Kalmar 1 AIK 1 -0.1
Halmstad 4 Falkenberg 0 +0.1
Points
Chance Will Win Championship