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 +12.5
-0.4
Kalmar 1 Halmstad 3 +0.4
Week of 10/19100.0*Relegated100.0*Average seed
Falkenberg 2 Helsingborg 0 +5.1
-0.1
Häcken 3 Gefle 1 -4.4
+0.1
Gefle 1 IFK Norrköping 2 +2.7
-0.1
Week of 10/26100.0*Relegated100.0*Average seed
Mjällby 0 Kalmar 2 +20.3
-0.4
Gefle 2 Helsingborg 1 Yes
-0.1
Falkenberg 1 Mjällby 1 +5.1
-0.1
IFK Norrköping 2 Örebro 0 +2.4
-0.1
Halmstad 4 Falkenberg 0 -2.0
+0.0
Points
Chance Will Win Championship