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*Chance in playoffs100.0*Average seed
Thunder 4 Battery 0 Out
-0.1
Battery 1 RailHawks 2 -1.4
-0.2
Miami FC 1 Rhinos 0 -0.5
-0.2
Sounders 1 Silverbacks 1 +0.4
-0.0
RailHawks 1 Rhinos 1 +0.2
-0.0
Islanders 1 Silverbacks 1 -0.1
-0.0
Week of 9/20100.0*Chance in playoffs100.0*Average seed
RailHawks 1 Timbers 0 -0.5
Miami FC 1 Silverbacks 0 -0.2
Points
Chance Will Make Playoffs