How are these numbers calculated?

Big Games

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

Week of 3/18100.0*Chance in playoffs100.0*Average seed
Sammy 2.0 1 No Chris 1 +0.2
Ireland 3 TKE-A 0 +0.0
Week of 3/25100.0*Chance in playoffs100.0*Average seed
No Chris 2 Juul 0 Out
-0.2
Raiders 2 TKE-A 0 +0.1
+0.0
Roller Dads 4 Sammy 2.0 3 +0.1
9 Ball 1 Ireland 7 +0.1
Week of 4/1100.0*Chance in playoffs100.0*Average seed
9 Ball 0 Raiders 4 +0.1
Juul 2 Roller Dads 4 -0.0
Games Above .500
Chance Will Make Playoffs