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
Puckaholics 2 Gang Green 7 +0.1
Gang Green 3 Uptown 6 -0.1
Goal Diggers 5 Kwyjibo 1 -0.1
Week of 8/6100.0*Average seed
Gang Green 7 Puckaholics 4 +0.1
Kwyjibo 2 SofaKings 4 -0.1
Week of 8/12None
Games Above .500
Chance Will Make Playoffs