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 +1.4
Baltimore 3 Express 2 -0.1
NJ Rangers 3 Baltimore 2 +0.1
Reading 4 Brooklyn 0 +0.1
Fredericksburg 2 SW Virginia 1 -0.1
Ocean City 4 Bermuda 0 +0.1
Seacoast 1 Boston 1 +0.1
Week of 7/8100.0*Average seed
Portland Phoenix 5 Boston 0 -0.2
Spartans 0 NJ Rangers 1 +0.2
Vermont 2 Azul 4 +0.2
SW Virginia 1 Carolina 3 -0.1
Bermuda 2 Baltimore 1 +0.1
Week of 7/15100.0*Average seed
Spartans 1 Reading 2 +0.6
Points
Chance Will Make Playoffs