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*Top 4100.0*Average seed
Kangaroos 101 Crows 94 In
+0.6
Giants 67 Magpies 75 -2.3
-0.1
Bombers 108 Suns 89 +0.7
-0.1
Power 140 Blues 37 No
-0.2
Lions 48 Dockers 106 -0.1
Week of 8/29100.0*Chance in playoffs100.0*Top 4100.0*Average seed
Dockers 105 Power 97 +0.2
Blues 90 Bombers 90 +0.2
Kangaroos 123 Demons 93 +0.1
Games Above .500  (Full Screen)
Chance Will Make Playoffs  (Full Screen)