How are these numbers calculated?

Big Games

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

Week of 2/11100.0*Chance in playoffs100.0*Average seed
Book Hockey 8 Team Else's 2 +23.6
+2.3
Wimpy Ducks 5 Eigenskates 2 -1.9
Footless Flyers 2 Puck Me Daddy 9 -1.4
-0.2
Puck Dynasty 4 Morning After P 3 +0.2
+0.1
Puck Me Daddy 8 Ice Road Puckers 1 -0.2
Week of 2/18100.0*Chance in playoffs100.0*Average seed
50's 4 Legalize It! 1 -0.5
-0.1
Radmen 7 Chico Resch 3 -0.1
Week of 2/25100.0*Chance in playoffs100.0*Average seed
Morning After P 2 Hockey Team 3 In
-0.2
Puck Dynasty 0 Eigenskates 2 +0.3
-0.2
50's 7 Book Hockey 4 -1.8
Games Above .500
Chance Will Make Playoffs