How are these numbers calculated?

Big Games

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

Week of 10/17100.0*Chance in playoffs100.0*Average seed
Tampines 3 Balestier 1 In
+0.7
Y. Lions 2 Hougang 0 In
Home 2 Warriors 3 +0.3
-0.0
Warriors 2 Tampines 1 -0.6
Week of 10/24100.0*Chance in playoffs100.0*Average seed
Albirex 2 Home 1 -0.1
DPMM 1 Balestier 1 +0.1
Albirex 0 DPMM 1 +0.0
Week of 10/31100.0*Chance in playoffs100.0*Average seed
Tampines 2 DPMM 1 +0.2
Warriors 1 Albirex 0 +0.2
Points
Chance Will Make Playoffs