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
T. Pagar 4 Balestier 3 -1.0
Y. Lions 0 Sengkang 2 +0.1
Week of 10/9100.0*Average seed
Y. Lions 0 Jurong 0 -0.5
Sinchi 3 Balestier 1 -0.2
Balestier 0 SAFFC 3 -0.2
Home 5 Y. Lions 1 +0.1
Tampines 0 Sembawang 2 -0.1
Week of 10/16None
Points
Chance Will Win Championship