How are these numbers calculated?

Big Games

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

Week of 8/3100.0*Average seed
Jurong 1 Home 4 +0.4
Clementi 4 Gombak 3 +0.2
Geylang 1 T. Pagar 0 -0.1
Week of 8/10100.0*Average seed
Home 1 Sembawang 0 +0.3
Geylang 0 Tampines 0 +0.1
Gombak 1 SAFFC 1 -0.1
T. Pagar 2 Balestier 1 -0.1
Week of 8/18100.0*Average seed
Sembawang 1 Gombak 0 +0.6
Jurong 3 Geylang 4 -0.5
Woodlands 0 Home 1 +0.4
Points
Chance Will Win Championship