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*Chance in playoffs100.0*Average seed
Reading 4 Brooklyn 0 +0.1
West Virginia 1 Palmetto 1 +0.0
NJ Rangers 4 Spartans 0 *Out
-0.2
Baltimore 3 Express 2 -0.2
Brooklyn 1 Westchester 0 -0.1
Virginia Beach 1 SW Virginia 3 -0.1
NJ Rangers 3 Baltimore 2 +0.1
Bermuda 3 Long Island 1 +0.1
Express 4 Spartans 2 -0.0
Seacoast 1 Boston 1 +0.0
Week of 7/8100.0*Chance in playoffs100.0*Average seed
Spartans 0 NJ Rangers 1 -0.8
Bermuda 2 Baltimore 1 +0.2
Westchester 4 Spartans 0 -0.1
Baltimore 2 Brooklyn 2 -0.1
Fredericksburg 0 Palmetto 1 -0.1
New Orleans 1 Austin 0 -0.1
Vermont 2 Azul 4 +0.0
Carolina 1 Northern Virginia 1 -0.0
SW Virginia 1 Carolina 3 +0.0
Nashville 0 Palmetto 0 -0.0
Week of 7/15100.0*Chance in playoffs100.0*Average seed
Spartans 1 Reading 2 -0.3

* A starred number could be exactly 0 or just really small. The simulation did not run long enough to know.

Points
Chance Will Make Playoffs