How are these numbers calculated?

Big Games

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

Week of 7/29100.0*Average seed
SofaKings 6 Goal Diggers 1 -0.3
Goal Diggers 5 Kwyjibo 1 +0.2
Week of 8/6100.0*Average seed
Uptown 1 Goal Diggers 5 +0.2
Kwyjibo 2 SofaKings 4 -0.2
Week of 8/12100.0*Average seed
Goal Diggers 7 SofaKings 3 +0.5
Games Above .500
Chance Will Make Playoffs