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
Baltimore 3 Express 2 +16.2
+0.5
Westchester 1 Reading 5 +7.6
+0.2
Reading 4 Brooklyn 0 +6.9
+0.5
Express 4 Spartans 2 -5.4
-0.1
Ottawa 4 Worcester 0 -1.8
West Virginia 1 Palmetto 1 +1.2
+0.0
Maryland 2 Carolina 4 +1.1
+0.0
NJ Rangers 3 Baltimore 2 -1.0
Mississippi 1 Tampa 0 -0.9
Hamilton 2 Forest City 4 +0.6
Kitsap 2 North Sound 1 -0.5
Crossfire 0 Sounders-U23 1 +0.5
Ocean City 4 Bermuda 0 -0.3
-0.1
Ocean City 2 NJ Rangers 1 -0.2
-0.1
River City 1 Inferno 2 +0.2
Kansas City 5 St. Louis 1 -0.2
Maryland 1 Northern Virginia 0 -0.1
BYU 3 Ogden 1 -0.1
Jax 1 Panama City 3 +0.1
Fire-PDL 0 Michigan 2 +0.1
Ft. Lauderdale 0 Ocala 3 +0.1
Nashville 0 West Virginia 0 *+0.1
Laredo 3 New Orleans 1 *+0.1
Ottawa 2 Seacoast 0 -0.0
Week of 7/8100.0*Chance in playoffs100.0*Average seed
Reading 2 Ocean City 0 +16.7
+0.6
Express 1 Reading 1 +11.2
+0.1
Long Island 0 Express 2 -7.8
-0.1
Baltimore 2 Brooklyn 2 -2.8
Vermont 2 Azul 4 -2.8
Ottawa 1 Western Mass 1 -2.8
Spartans 0 NJ Rangers 1 -2.8
Winnipeg 2 Springfield 1 -2.8
El Paso 1 Laredo 4 -2.8
West-Texas 2 Texas 0 -2.8
Thunder Bay 3 Kansas City 1 -2.8
Fresno 3 Southern Cal 1 -2.8
New Orleans 1 Austin 0 -2.8
Orange County 5 BYU 1 -2.7
Portland Phoenix 5 Boston 0 -2.7
Virginia Beach 2 West Virginia 0 -2.7
Carolina 1 Northern Virginia 1 -2.6
Seacoast 0 Worcester 2 -2.6
Ocean City 5 Westchester 1 -0.4
-0.1
Week of 7/15100.0*Chance in playoffs100.0*Average seed
Spartans 1 Reading 2 In
+0.3
Ocean City 1 Brooklyn 0 -0.2

* 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