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 +0.9
Ocean City 4 Bermuda 0 -0.2
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
Brooklyn 1 Westchester 0 +0.1
Seacoast 1 Boston 1 -0.1
Austin 7 West-Texas 0 +0.0
Vancouver-U23 4 North Sound 0 +0.0
Week of 7/8100.0*Average seed
Bermuda 2 Baltimore 1 +0.9
Virginia Beach 2 West Virginia 0 -0.4
Vermont 2 Azul 4 +0.2
Seacoast 0 Portland Phoenix 0 +0.1
Fire-PDL 0 Cincinnati 3 -0.0
West-Texas 1 Laredo 3 -0.0
Week of 7/15100.0*Average seed
Bermuda 3 Westchester 1 +1.7
Points
Chance Will Make Playoffs