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
Blues 156 Tigers 67 +12.2
+0.4
Hawks 99 Demons 78 -3.1
-0.1
Kangaroos 63 Saints 115 +2.9
+0.1
Dockers 87 Swans 96 -1.1
-0.2
Week of 8/20100.0*Chance in playoffs100.0*Average seed
Hawks 155 Dockers 39 -9.3
-0.3
Eagles 94 Kangaroos 110 -7.8
-0.1
Cats 121 Blues 79 -3.8
-0.4
Swans 114 Bulldogs 70 -0.1
Week of 8/27100.0*Chance in playoffs100.0*Average seed
Dockers 93 Blues 87 -25.8
-0.9
Demons 103 Kangaroos 113 -23.7
-0.2
Hawks 98 Magpies 95 -0.4
Lions 68 Swans 106 +0.1
Games Above .500
Chance Will Make Playoffs