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 +0.2
Goal Diggers 5 Kwyjibo 1 -0.1
Puckaholics 2 Gang Green 7 -0.0
Week of 8/6100.0*Average seed
Kwyjibo 2 SofaKings 4 +0.1
Uptown 1 Goal Diggers 5 -0.1
Gang Green 7 Puckaholics 4 -0.0
Week of 8/12100.0*Average seed
Goal Diggers 7 SofaKings 3 -0.6
Games Above .500
Chance Will Make Playoffs