How are these numbers calculated?

Big Games

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

Week of 10/12100.0*Chance wins title100.0*Promoted100.0*Average seed
Husqvarna FF 3 IK Oddevold 1 No
-7.3
-0.2
Trelleborgs FF 2 Utsiktens BK 1 -1.5
-0.0
Kristianstads FF 2 IS Halmia 4 -1.3
IF Sylvia 0 FC Trollhättan 0 +1.0
Week of 10/19100.0*Chance wins title100.0*Promoted100.0*Average seed
IK Oddevold 3 Kristianstads FF 1 +7.2
+0.2
IF Limhamn Bunk 1 Trelleborgs FF 1 +2.1
+0.0
IS Halmia 4 Torslanda IK 1 -1.9
-0.0
IF Sylvia 0 Qviding FIF 3 +0.1
Week of 10/26100.0*Chance wins title100.0*Promoted100.0*Average seed
Torslanda IK 0 IK Oddevold 2 +2.7
+0.1
Trelleborgs FF 4 IS Halmia 1 +2.7
+0.1
Points
Chance Will Win Championship