How are these numbers calculated?

Big Games

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

Week of 8/21100.0*Chance in playoffs100.0*Top 4100.0*Average seed
Saints 97 Cats 97 +0.8
+0.1
Eagles 162 Bulldogs 85 -0.6
-18.9
-0.7
Magpies 56 Tigers 147 -0.2
-1.1
-0.1
Kangaroos 94 Dockers 83 -0.2
-0.4
-0.1
Crows 131 Lions 44 -0.1
-0.4
-0.0
Giants 44 Swans 133 +0.1
-8.8
-0.1
Hawks 86 Power 108 +0.5
Week of 8/28100.0*Chance in playoffs100.0*Top 4100.0*Average seed
Cats 62 Magpies 110 In
Kangaroos 73 Bulldogs 96 +7.0
+0.9
Saints 38 Swans 135 -6.3
-0.1
Crows 126 Eagles 69 -5.1
-0.4
Bombers 47 Tigers 74 -1.4
-0.1
Hawks 134 Lions 62 -0.5
Week of 9/4100.0*Chance in playoffs100.0*Top 4100.0*Average seed
Lions 130 Bulldogs 122 No
-1.2
Cats 119 Crows 80 +1.6
+0.5
Tigers 108 Kangaroos 67 -0.5
-0.3
Games Above .500
Chance Will Make Playoffs