How are these numbers calculated?

Big Games

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

Week of 8/13100.0*Chance in playoffs100.0*Average seed
Bombers 64 Magpies 162 Out
+0.2
Lions 97 Crows 104 +0.6
Power 61 Eagles 60 -0.1
Blues 156 Tigers 67 +0.1
Hawks 99 Demons 78 +0.1
Week of 8/20100.0*Chance in playoffs100.0*Average seed
Magpies 54 Crows 51 -0.5
Bombers 68 Lions 95 +0.1
Week of 8/27100.0*Chance in playoffs100.0*Average seed
Crows 65 Saints 37 +0.2
Demons 103 Kangaroos 113 +0.2
Games Above .500
Chance Will Make Playoffs