How are these numbers calculated?

Big Games

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

Week of 9/13100.0*Average seed
Battery 1 RailHawks 2 -0.8
Thunder 4 Battery 0 -0.5
Sounders 1 Silverbacks 1 +0.2
Miami FC 1 Rhinos 0 +0.2
Whitecaps 1 Impact 0 +0.1
RailHawks 1 Rhinos 1 +0.0
Week of 9/20100.0*Average seed
Sounders 2 Whitecaps 3 +0.7
Points
Chance Will Make Playoffs