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
Vinbergs IF 1 Tvååkers IF 2 +18.5
+18.5
+0.6
Tvååkers IF 1 Torslanda IK 1 -14.8
-14.8
-0.5
Höganäs BK 0 Sävedalens IF 2 -7.8
-7.8
-0.1
Dalstorps IF 2 Ullareds IK 0 -2.4
-2.4
-0.1
Eskilsminne IF 5 Varbergs GIF FK 0 -1.1
-1.1
-0.1
Week of 10/7100.0*Chance wins title100.0*Promote100.0*Average seed
Sävedalens IF 1 Dalstorps IF 1 +11.1
+11.1
+0.1
Hittarps IK 0 Eskilsminne IF 1 -0.6
-0.6
-0.1
Week of 10/14100.0*Chance wins title100.0*Promote100.0*Average seed
Eskilsminne IF 1 Tvååkers IF 2 Yes
Yes
+1.2
Tenhults IF 1 Sävedalens IF 1 +4.3
+4.3
+0.1
Dalstorps IF 1 Varbergs GIF FK 2 +0.5
Points
Chance Will Win Championship