How are these numbers calculated?

Big Games

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

Week of 8/15100.0*Top 4100.0*Average seed
Blues 76 Cats 82 Yes
+0.1
Week of 8/22100.0*Top 4100.0*Average seed
Hawks 94 Cats 71 -0.6
Bulldogs 67 Swans 130 -0.0
Lions 48 Dockers 106 -0.0
Week of 8/29100.0*Top 4100.0*Average seed
Magpies 56 Hawks 121 -0.3
Cats 143 Lions 81 +0.2
Dockers 105 Power 97 -0.1
Games Above .500
Chance Will Make Playoffs