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
Giants 44 Swans 133 +0.6
+19.0
+0.5
Magpies 56 Tigers 147 -0.1
-1.6
-0.1
Saints 97 Cats 97 In
Crows 131 Lions 44 -0.3
-0.0
Eagles 162 Bulldogs 85 +6.3
+0.0
Kangaroos 94 Dockers 83 -1.4
Hawks 86 Power 108 +0.9
+0.1
Week of 8/28100.0*Chance in playoffs100.0*Top 4100.0*Average seed
Saints 38 Swans 135 +15.0
+0.3
Crows 126 Eagles 69 -2.3
Kangaroos 73 Bulldogs 96 -1.9
-0.1
Bombers 47 Tigers 74 -0.5
-0.0
Hawks 134 Lions 62 -0.3
-0.1
Dockers 108 Demons 54 -0.0
Week of 9/4100.0*Chance in playoffs100.0*Top 4100.0*Average seed
Swans 127 Suns 64 Yes
+0.1
Cats 119 Crows 80 +3.0
+0.1
Lions 130 Bulldogs 122 +1.3
+0.0
Tigers 108 Kangaroos 67 -0.7
Eagles 125 Saints 30 -0.1
Hawks 113 Blues 56 -0.1
Games Above .500
Chance Will Make Playoffs