How are these numbers calculated?

Big Games

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

Week of 10/11100.0*Average seed
Balestier 5 Clementi 2 +0.6
Jurong 2 Sembawang 1 +0.2
Week of 10/18100.0*Average seed
Tampines 2 Sembawang 0 +0.1
Balestier 0 Geylang 1 -0.1
Sengkang 2 Clementi 2 +0.1
Week of 10/25None
Points
Chance Will Win Championship