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
Western Mass 2 Azul 0 +6.4
+0.6
Ottawa 2 Seacoast 0 -5.0
-0.2
Vermont 2 Portland Phoenix 4 -1.5
-0.1
Seacoast 1 Boston 1 +0.7
+0.1
West Virginia 1 Palmetto 1 +0.7
+0.0
Reading 4 Brooklyn 0 -0.5
Maryland 2 Carolina 4 +0.4
+0.1
Mississippi 1 Tampa 0 +0.2
Hamilton 2 Forest City 4 -0.1
West-Texas 1 El Paso 4 *+0.1
Ottawa 4 Worcester 0 +0.1
Crossfire 0 Sounders-U23 1 -0.1
Kitsap 2 North Sound 1 +0.1
Virginia Beach 1 SW Virginia 3 *+0.1
Nashville 0 West Virginia 0 +0.0
Bermuda 3 Long Island 1 +0.2
NJ Rangers 3 Baltimore 2 -0.1
Maryland 1 Northern Virginia 0 -0.1
Week of 7/8100.0*Chance in playoffs100.0*Average seed
Ottawa 5 Portland Phoenix 1 -5.7
-0.1
Vermont 2 Western Mass 1 Out
-0.1
Ottawa 1 Western Mass 1 +1.7
Long Island 0 Express 2 +1.4
Virginia Beach 2 West Virginia 0 +1.2
Carolina 1 Northern Virginia 1 +1.2
Spartans 0 NJ Rangers 1 +1.0
Seacoast 0 Worcester 2 +0.8
Ottawa 1 Azul 0 +0.2
Nashville 0 Palmetto 0 +0.2
Seacoast 0 Portland Phoenix 0 -0.1
Fire-PDL 0 Cincinnati 3 +0.0
West-Texas 1 Laredo 3 +0.0
Week of 7/15100.0*Chance in playoffs100.0*Average seed
Baltimore 2 Long Island 1 +0.2
Nashville 5 Fredericksburg 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