How are these numbers calculated?

Big Games

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

Sunday100.0*Average seed
Eat your Cale, 249.6 Gerald McBoing- 199.55 +0.3
Ides of Marches 271.05 Raging Joner 277.85 -0.1
Monday100.0*Average seed
Pucking Fricks 135.2 Eat your Cale, 213.8 +0.1
Raging Joner 290.25 Hintz Me Baby O 205.95 -0.1
Tuesday100.0*Average seed
Eat your Cale, 235.25 Anthanasiou Later 152.05 +0.1
King of the Kes 162.75 Raging Joner 279.55 -0.0
Games Above .500
Chance Will Make Playoffs