How are these numbers calculated?

Big Games

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

Week of 7/1100.0*Average seed
River City 1 Inferno 2 +0.2
NJ Rangers 4 Spartans 0 -0.1
Kansas City 5 St. Louis 1 -0.1
Orlando City 2 Mississippi 1 -0.1
Austin 7 West-Texas 0 +0.0
Vancouver-U23 4 North Sound 0 +0.0
Week of 7/8None
Week of 7/15None
Points
Chance Will Make Playoffs