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 -0.2
+0.1
Maryland 2 Carolina 4 +0.1
+0.1
Ottawa 4 Worcester 0 -0.1
+0.1
West Virginia 1 Palmetto 1 +0.1
+0.0
NJ Rangers 4 Spartans 0 Out
-0.2
Brooklyn 1 Westchester 0 -0.1
Baltimore 3 Express 2 -0.1
Bermuda 3 Long Island 1 +0.1
Express 4 Spartans 2 -0.1
Maryland 1 Northern Virginia 0 +0.1
Virginia Beach 1 SW Virginia 3 -0.0
Seacoast 1 Boston 1 +0.0
NJ Rangers 3 Baltimore 2 +0.0
Week of 7/8100.0*Chance in playoffs100.0*Average seed
Spartans 0 NJ Rangers 1 -0.7
Carolina 1 Northern Virginia 1 +0.3
Baltimore 2 Brooklyn 2 +0.3
Fresno 3 Southern Cal 1 +0.3
Vermont 2 Azul 4 +0.3
El Paso 1 Laredo 4 +0.3
Seacoast 0 Worcester 2 +0.3
Long Island 0 Express 2 +0.2
Virginia Beach 2 West Virginia 0 +0.2
New Orleans 1 Austin 0 +0.2
Winnipeg 2 Springfield 1 +0.2
Portland Phoenix 5 Boston 0 +0.2
Bermuda 2 Baltimore 1 +0.1
Nashville 0 Palmetto 0 +0.1
Westchester 4 Spartans 0 -0.1
Week of 7/15100.0*Chance in playoffs100.0*Average seed
Spartans 1 Reading 2 -0.9
Palmetto 4 Northern Virginia 0 -0.2
Baltimore 2 Long Island 1 -0.2
Points
Chance Will Make Playoffs