How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Sunday100.0*Average seed
Bust A Kapenen 113.6 Dude, Where's M 252.1 -0.2
mephnick's Team 224.25 Montreal Dive 139.55 +0.1
District 5 173.9 Josi and the pu 225.75 +0.0
Monday100.0*Average seed
CrazyLGorillas' 189.75 Bust A Kapenen 150.35 -0.2
District 5 108.75 Montreal Dive 145.05 +0.0
Tuesday100.0*Average seed
Cootsie's Cooties 99.65 District 5 81.1 +0.1
Bust A Kapenen 209.65 Josi and the pu 267.75 -0.0
Games Above .500
Chance Will Make Playoffs