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
SAFFC 4 Tampines 0 -0.5
Sembawang 1 Home 2 +0.2
Woodlands 1 Balestier 0 -0.1
Clementi 0 T. Pagar 4 +0.1
Week of 10/6100.0*Average seed
Geylang 2 Woodlands 1 +0.3
Sengkang 1 Sembawang 3 -0.2
Tampines 1 Clementi 1 -0.0
Week of 10/16100.0*Average seed
Jurong 1 Tampines 0 -0.4
Woodlands 3 Sengkang 0 -0.3
Sembawang 3 SAFFC 4 +0.2
Points
Chance Will Win Championship