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
Forest City 4 River City 0 +23.5
+0.4
River City 1 Inferno 2 +12.8
+0.2
Hamilton 2 Forest City 4 +11.7
+0.8
Toronto Lynx 1 Fire-PDL 0 +1.4
+0.1
Hamilton 1 Fire-PDL 4 -0.7
Baltimore 3 Express 2 +0.4
Bermuda 3 Long Island 1 +0.4
Ft. Lauderdale 1 Jax 0 +0.3
Maryland 1 Northern Virginia 0 +0.2
Kansas City 5 St. Louis 1 +0.2
NJ Rangers 4 Spartans 0 +0.2
Brooklyn 1 Westchester 0 +0.2
Virginia Beach 1 SW Virginia 3 -0.2
Orlando City 2 Mississippi 1 +0.1
Tampa 2 Ocala 2 *-0.1
West-Texas 1 El Paso 4 -0.1
Fire-PDL 0 Michigan 2 +0.1
+0.0
BYU 3 Ogden 1 *+0.1
Nashville 0 West Virginia 0 *-0.1
Week of 7/8100.0*Chance in playoffs100.0*Average seed
Inferno 1 Forest City 2 +11.5
+0.2
Fire-PDL 2 Forest City 1 -11.2
-0.4
Hamilton 2 River City 0 +7.1
+0.1
Toronto Lynx 3 River City 1 +6.1
+0.1
River City 2 Michigan 1 -1.0
Forest City 1 Toronto Lynx 2 -0.7
-0.6
Fresno 3 Southern Cal 1 -0.3
Vermont 2 Azul 4 *-0.2
Week of 7/15100.0*Chance in playoffs100.0*Average seed
Michigan 4 River City 0 In
+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