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 -10.1
-0.8
Reading 4 Brooklyn 0 -0.9
+0.0
Seacoast 1 Boston 1 +0.8
+0.1
Maryland 2 Carolina 4 +0.8
+0.1
Ottawa 4 Worcester 0 -0.7
+0.0
Ottawa 2 Seacoast 0 -0.6
West Virginia 1 Palmetto 1 +0.3
+0.0
NJ Rangers 3 Baltimore 2 -0.3
-0.1
Vermont 2 Portland Phoenix 4 -0.1
Ocean City 4 Bermuda 0 *-0.1
Ft. Lauderdale 0 Ocala 3 *+0.1
Bermuda 3 Long Island 1 +0.1
Nashville 0 West Virginia 0 +0.1
Brooklyn 1 Westchester 0 -0.1
Maryland 1 Northern Virginia 0 -0.0
Week of 7/8100.0*Chance in playoffs100.0*Average seed
Ottawa 1 Western Mass 1 -2.0
Seacoast 0 Worcester 2 -2.0
Carolina 1 Northern Virginia 1 -1.9
Baltimore 2 Brooklyn 2 -1.9
Long Island 0 Express 2 -1.9
Ottawa 1 Azul 0 -1.7
Vermont 2 Azul 4 -0.4
Maryland 7 Fredericksburg 1 +0.1
Bermuda 2 Baltimore 1 +0.1
Nashville 0 Palmetto 0 +0.1
Week of 7/15100.0*Chance in playoffs100.0*Average seed
Baltimore 2 Long Island 1 +0.4
Nashville 5 Fredericksburg 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