How are these numbers calculated?

Big Games

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

Week of 8/15None
Week of 8/22100.0*Average seed
Tigers 98 Saints 72 -0.4
Eagles 119 Demons 53 +0.2
Giants 67 Magpies 75 +0.2
Week of 8/29100.0*Average seed
Crows 141 Saints 62 -0.6
Kangaroos 123 Demons 93 +0.3
Bulldogs 109 Giants 115 -0.1
Games Above .500  (Full Screen)
Chance Will Make Playoffs  (Full Screen)