How are these numbers calculated?

Big Games

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

Week of 10/2100.0*Average seed
Geylang 4 Home 0 -0.3
Week of 10/9100.0*Average seed
Jurong 1 Geylang 2 -0.2
Balestier 0 SAFFC 3 +0.1
Week of 10/16100.0*Average seed
Geylang 2 Tampines 2 -0.2
SAFFC 6 Sengkang 1 +0.1
Points
Chance Will Win Championship