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*Promoted100.0*Average seed
Trelleborgs FF 2 Utsiktens BK 1 -1.0
-0.8
Husqvarna FF 3 IK Oddevold 1 +0.4
Kristianstads FF 2 IS Halmia 4 -0.1
-0.2
IF Sylvia 0 FC Trollhättan 0 +0.1
+0.1
Week of 10/19100.0*Promoted100.0*Average seed
IS Halmia 4 Torslanda IK 1 No
-0.1
Utsiktens BK 2 Skövde AIK 1 +0.5
IF Sylvia 0 Qviding FIF 3 +0.3
FC Trollhättan 2 Lunds BK 0 -0.3
IF Limhamn Bunk 1 Trelleborgs FF 1 +0.1
Week of 10/26100.0*Promoted100.0*Average seed
Lunds BK 5 IF Sylvia 2 +0.2
Qviding FIF 0 Utsiktens BK 0 -0.2
Husqvarna FF 1 FC Trollhättan 0 +0.1
Trelleborgs FF 4 IS Halmia 1 -0.1
Points
Chance Will Win Championship