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*Average seed
Wimpy Ducks 5 Eigenskates 2 +0.5
Puck Dynasty 4 Morning After P 3 +0.1
Puck Me Daddy 8 Ice Road Puckers 1 -0.1
Book Hockey 8 Team Else's 2 +0.0
Footless Flyers 2 Puck Me Daddy 9 -0.0
Week of 2/18100.0*Average seed
Radmen 7 Chico Resch 3 -2.6
Week of 2/25100.0*Average seed
50's 7 Book Hockey 4 +0.7
Puck Dynasty 0 Eigenskates 2 -0.3
Morning After P 2 Hockey Team 3 -0.1
Games Above .500
Chance Will Make Playoffs