How are these numbers calculated?

Big Games

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

Week of 8/15None
Week of 8/22100.0*Chance in playoffs100.0*Average seed
Bombers 108 Suns 89 -25.9
-1.1
Kangaroos 101 Crows 94 +5.9
+0.1
Eagles 119 Demons 53 -4.1
-0.2
Tigers 98 Saints 72 -3.1
-0.2
Giants 67 Magpies 75 -2.7
-0.2
Week of 8/29100.0*Chance in playoffs100.0*Average seed
Swans 65 Tigers 68 Out
-0.2
Magpies 56 Hawks 121 +6.2
+0.3
Suns 99 Eagles 151 -1.2
Crows 141 Saints 62 -0.3
Games Above .500  (Full Screen)
Chance Will Make Playoffs  (Full Screen)