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
Magpies 56 Tigers 147 +9.2
+3.2
+0.5
Saints 97 Cats 97 +2.3
+0.1
Giants 44 Swans 133 +0.9
-2.4
-0.1
Kangaroos 94 Dockers 83 -0.7
-0.2
Crows 131 Lions 44 -0.4
-0.3
-0.1
Eagles 162 Bulldogs 85 +1.6
+0.1
Hawks 86 Power 108 +0.1
Week of 8/28100.0*Chance in playoffs100.0*Top 4100.0*Average seed
Cats 62 Magpies 110 In
Saints 38 Swans 135 -5.1
-0.1
Crows 126 Eagles 69 -4.2
-0.3
Bombers 47 Tigers 74 +1.9
+0.3
Kangaroos 73 Bulldogs 96 -1.4
-0.1
Hawks 134 Lions 62 -0.5
Week of 9/4100.0*Chance in playoffs100.0*Top 4100.0*Average seed
Swans 127 Suns 64 -6.3
-0.1
Cats 119 Crows 80 +2.9
+0.6
Lions 130 Bulldogs 122 +1.3
+0.2
Tigers 108 Kangaroos 67 +1.2
+0.6
Games Above .500
Chance Will Make Playoffs