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
Y. Lions 0 Sengkang 2 +0.9
T. Pagar 4 Balestier 3 +0.1
Week of 10/9100.0*Average seed
Sengkang 3 T. Pagar 1 +0.8
Tampines 0 Sembawang 2 -0.4
Sembawang 2 Woodlands 2 +0.2
Balestier 0 SAFFC 3 +0.0
Home 5 Y. Lions 1 +0.0
Week of 10/16None
Points
Chance Will Win Championship