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
Geylang 2 Sinchi 1 +0.3
Week of 10/18100.0*Average seed
Sinchi 0 Y. Lions 2 +0.2
SAFFC 3 Geylang 3 +0.1
Week of 10/25100.0*Average seed
Paya Lebar 1 Geylang 2 +0.1
Points
Chance Will Win Championship