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
Blues 156 Tigers 67 -0.3
Power 61 Eagles 60 -0.1
Lions 97 Crows 104 +0.1
Week of 8/20100.0*Average seed
Bombers 68 Lions 95 -0.4
Saints 115 Tigers 94 -0.1
Week of 8/27100.0*Average seed
Bulldogs 107 Bombers 78 -0.1
Tigers 112 Power 122 -0.1
Lions 68 Swans 106 +0.0
Games Above .500
Chance Will Make Playoffs