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
Virginia Beach 1 SW Virginia 3 -0.8
River City 1 Inferno 2 -0.1
Bermuda 3 Long Island 1 -0.1
Brooklyn 1 Westchester 0 +0.1
NJ Rangers 4 Spartans 0 +0.1
Kansas City 5 St. Louis 1 +0.1
Orlando City 2 Mississippi 1 +0.1
Baltimore 3 Express 2 -0.1
NJ Rangers 3 Baltimore 2 +0.1
Ocean City 4 Bermuda 0 +0.0
Nashville 2 Virginia Beach 0 -0.0
Week of 7/8100.0*Average seed
Virginia Beach 2 West Virginia 0 +1.7
Portland Phoenix 5 Boston 0 -0.3
Bermuda 2 Baltimore 1 -0.3
Vermont 2 Azul 4 -0.2
Ocean City 5 Westchester 1 +0.0
Virginia Beach 2 Northern Virginia 3 -0.0
Week of 7/15100.0*Average seed
Bermuda 3 Westchester 1 -0.6
Points
Chance Will Make Playoffs