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
Crossfire 0 Sounders-U23 1 -15.4
-0.7
Vancouver-U23 4 North Sound 0 -7.1
-0.1
Portland-U23 1 Crossfire 0 -5.8
-0.2
Mississippi 1 Tampa 0 +0.4
Kitsap 2 North Sound 1 -0.4
-0.1
River City 1 Inferno 2 +0.3
Ottawa 4 Worcester 0 +0.3
NJ Rangers 3 Baltimore 2 +0.3
Bermuda 3 Long Island 1 -0.3
Orlando City 2 Mississippi 1 -0.2
Kansas City 5 St. Louis 1 -0.2
NJ Rangers 4 Spartans 0 -0.2
Ft. Lauderdale 1 Jax 0 -0.2
Maryland 1 Northern Virginia 0 -0.2
Hamilton 2 Forest City 4 -0.2
Toronto Lynx 1 Fire-PDL 0 -0.2
West-Texas 1 El Paso 4 +0.2
Reading 4 Brooklyn 0 +0.1
Hamilton 1 Fire-PDL 4 +0.1
Virginia Beach 1 SW Virginia 3 +0.1
Brooklyn 1 Westchester 0 -0.1
West Virginia 1 Palmetto 1 *-0.1
Maryland 2 Carolina 4 *-0.1
Tampa 2 Ocala 2 *+0.1
Ventura County 0 Fresno 2 -0.1
Week of 7/8100.0*Chance in playoffs100.0*Average seed
Vancouver-U23 1 Victoria 2 In
+0.8
Week of 7/15None

* 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