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
Bermuda 3 Long Island 1 -0.3
Seacoast 1 Boston 1 +0.1
Brooklyn 1 Westchester 0 +0.1
River City 1 Inferno 2 +0.1
NJ Rangers 4 Spartans 0 -0.1
Kansas City 5 St. Louis 1 -0.1
Orlando City 2 Mississippi 1 -0.1
Ocean City 4 Bermuda 0 +0.1
Virginia Beach 1 SW Virginia 3 +0.0
Worcester 6 Boston 0 -0.0
Vancouver-U23 4 North Sound 0 +0.0
Week of 7/8100.0*Average seed
Virginia Beach 2 West Virginia 0 -0.7
Portland Phoenix 5 Boston 0 -0.3
Bermuda 2 Baltimore 1 -0.2
Vermont 2 Azul 4 +0.1
Boston 1 Worcester 0 +0.1
Seacoast 0 Portland Phoenix 0 +0.1
Fire-PDL 0 Cincinnati 3 -0.0
Ocean City 5 Westchester 1 +0.0
West-Texas 1 Laredo 3 -0.0
Week of 7/15None
Points
Chance Will Make Playoffs