How are these numbers calculated?

Big Games

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

Week of 9/29100.0*Average seed
Jurong 2 Gombak 1 +0.6
Woodlands 1 Balestier 0 +0.2
Sengkang 1 Geylang 2 -0.1
Sembawang 1 Home 2 +0.0
Week of 10/6100.0*Average seed
Home 1 Jurong 0 -0.1
Gombak 2 T. Pagar 2 -0.0
SAFFC 2 Balestier 2 -0.0
Week of 10/16100.0*Average seed
Jurong 1 Tampines 0 +0.3
Balestier 0 Gombak 1 -0.3
Points
Chance Will Win Championship