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*Chance in playoffs100.0*Average seed
Bombers 108 Suns 89 In
+0.9
Giants 67 Magpies 75 -2.5
-0.1
Kangaroos 101 Crows 94 +0.7
-0.1
Eagles 119 Demons 53 +0.3
Tigers 98 Saints 72 -0.1
Power 140 Blues 37 -0.1
Week of 8/29100.0*Chance in playoffs100.0*Average seed
Magpies 56 Hawks 121 +0.1
Games Above .500  (Full Screen)
Chance Will Make Playoffs  (Full Screen)