How are these numbers calculated?

Big Games

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

Week of 8/13100.0*Average seed
Lions 97 Crows 104 -0.6
Blues 156 Tigers 67 +0.2
Power 61 Eagles 60 -0.2
Bombers 64 Magpies 162 +0.1
Week of 8/20100.0*Average seed
Bombers 68 Lions 95 +0.7
Saints 115 Tigers 94 +0.2
Week of 8/27100.0*Average seed
Bulldogs 107 Bombers 78 +0.4
Lions 68 Swans 106 -0.4
Tigers 112 Power 122 +0.1
Games Above .500
Chance Will Make Playoffs