How are these numbers calculated?

Big Games

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

Week of 10/20100.0*Chance wins title100.0*Average seed
IFK Göteborg 0 AIK 1 +1.5
+0.4
IFK Norrköping 2 Elfsborg 1 +0.8
Mjällby 1 Häcken 2 -0.6
-0.1
Malmö 3 Djurgården 1 -0.3
-0.1
Kalmar 1 Malmö 2 -0.1
-0.1
Helsingborg 1 Örebro 1 +0.1
Week of 10/27100.0*Chance wins title100.0*Average seed
AIK 1 Syrianska 1 -4.8
-0.2
Häcken 1 Kalmar 2 +2.2
+0.1
Malmö 1 Örebro 1 +1.4
+0.1
Mjällby 2 Elfsborg 3 No
Häcken 1 AIK 1 -0.6
+0.0
Elfsborg 2 Gefle 0 -0.6
-0.0
Kalmar 0 IFK Norrköping 2 -0.1
Helsingborg 2 IFK Göteborg 0 -0.1
Week of 11/4100.0*Chance wins title100.0*Average seed
AIK 2 Malmö 0 +0.3
Gefle 2 Helsingborg 2 +0.2
Sundsvall 1 Häcken 2 -0.1
Points
Chance Will Win Championship