How are these numbers calculated?

Big Games

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

Week of 9/30100.0*Chance wins title100.0*Promote100.0*Average seed
Dalstorps IF 2 Ullareds IK 0 +4.2
+4.2
+0.3
Vinbergs IF 1 Tvååkers IF 2 -4.1
-4.1
-0.2
Tvååkers IF 1 Torslanda IK 1 +4.0
+4.0
+0.2
Eskilsminne IF 5 Varbergs GIF FK 0 -1.6
-1.6
-0.1
Höganäs BK 0 Sävedalens IF 2 -0.7
-0.7
-0.1
Week of 10/7100.0*Chance wins title100.0*Promote100.0*Average seed
Sävedalens IF 1 Dalstorps IF 1 -7.6
-7.6
+0.1
Hittarps IK 0 Eskilsminne IF 1 -6.7
-6.7
-0.3
Week of 10/14100.0*Chance wins title100.0*Promote100.0*Average seed
Tenhults IF 1 Sävedalens IF 1 +0.4
Dalstorps IF 1 Varbergs GIF FK 2 No
No
-0.9
Points
Chance Will Win Championship