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 -1.7
-0.1
Puck Dynasty 4 Morning After P 3 +1.4
-0.1
Wimpy Ducks 5 Eigenskates 2 -0.8
-0.5
Footless Flyers 2 Puck Me Daddy 9 -0.1
Puck Me Daddy 8 Ice Road Puckers 1 +0.1
Week of 2/18100.0*Chance in playoffs100.0*Average seed
50's 4 Legalize It! 1 +6.9
+1.4
Radmen 7 Chico Resch 3 -0.1
Wolf Pack 4 Thundercats 4 +0.3
Week of 2/25100.0*Chance in playoffs100.0*Average seed
50's 7 Book Hockey 4 In
+2.6
Morning After P 2 Hockey Team 3 +3.5
+0.1
Puck Dynasty 0 Eigenskates 2 +2.0
+0.2
Footless Flyers 0 Blades of Wood 7 -0.1
Games Above .500
Chance Will Make Playoffs