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
Nashville 0 West Virginia 0 -3.6
-0.6
Maryland 1 Northern Virginia 0 -1.6
Maryland 2 Carolina 4 +0.2
+0.0
West Virginia 2 Northern Virginia 0 Out
Baltimore 3 Express 2 +0.2
Bermuda 3 Long Island 1 +0.2
+0.3
River City 1 Inferno 2 -0.2
West Virginia 1 Palmetto 1 +0.2
Ft. Lauderdale 1 Jax 0 +0.1
Tampa 2 Ocala 2 -0.1
-0.0
Ottawa 4 Worcester 0 -0.1
+0.1
Orlando City 2 Mississippi 1 +0.1
Nashville 2 Virginia Beach 0 +0.1
+0.1
Kansas City 5 St. Louis 1 +0.1
NJ Rangers 4 Spartans 0 +0.1
Reading 4 Brooklyn 0 -0.1
+0.1
Hamilton 1 Fire-PDL 4 -0.1
Toronto Lynx 1 Fire-PDL 0 +0.1
Virginia Beach 1 SW Virginia 3 -0.1
BYU 3 Ogden 1 +0.1
Mississippi 1 Tampa 0 +0.1
West-Texas 1 El Paso 4 -0.1
Hamilton 2 Forest City 4 -0.1
Crossfire 0 Sounders-U23 1 -0.1
Kitsap 2 North Sound 1 +0.1
Brooklyn 1 Westchester 0 *+0.1
NJ Rangers 3 Baltimore 2 -0.1
Seacoast 1 Boston 1 +0.1
Week of 7/8100.0*Chance in playoffs100.0*Average seed
Ottawa 1 Western Mass 1 -1.0
Spartans 0 NJ Rangers 1 -1.0
Vermont 2 Azul 4 -1.0
Seacoast 0 Worcester 2 -0.9
Carolina 1 Northern Virginia 1 -0.9
Portland Phoenix 5 Boston 0 -0.8
Long Island 0 Express 2 -0.6
Nashville 0 Palmetto 0 -0.6
Ottawa 1 Azul 0 +0.2
Bermuda 2 Baltimore 1 +0.1
Week of 7/15100.0*Chance in playoffs100.0*Average seed
Nashville 5 Fredericksburg 0 +1.4
Baltimore 2 Long Island 1 +0.4
Palmetto 4 Northern Virginia 0 +0.1

* 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