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 -23.4
-0.4
River City 1 Inferno 2 -13.3
-0.2
Hamilton 2 Forest City 4 -4.2
-0.1
Toronto Lynx 1 Fire-PDL 0 +0.5
Bermuda 3 Long Island 1 -0.4
Baltimore 3 Express 2 -0.4
Ft. Lauderdale 1 Jax 0 -0.3
Maryland 1 Northern Virginia 0 -0.3
Ventura County 0 Fresno 2 +0.2
Fire-PDL 0 Michigan 2 +0.2
Brooklyn 1 Westchester 0 -0.2
Virginia Beach 1 SW Virginia 3 +0.2
Kansas City 5 St. Louis 1 -0.2
NJ Rangers 4 Spartans 0 -0.2
West-Texas 1 El Paso 4 +0.2
Tampa 2 Ocala 2 *+0.2
Orlando City 2 Mississippi 1 -0.2
Hamilton 1 Fire-PDL 4 *-0.1
NJ Rangers 3 Baltimore 2 -0.1
Laredo 1 New Orleans 1 *+0.1
BYU 3 Ogden 1 *-0.1
Nashville 0 West Virginia 0 *+0.1
Kitsap 2 North Sound 1 *-0.1
Week of 7/8100.0*Chance in playoffs100.0*Average seed
Fire-PDL 2 Forest City 1 +9.4
+0.1
Hamilton 2 River City 0 -7.7
-0.5
Toronto Lynx 3 River City 1 -7.3
-0.3
Inferno 1 Forest City 2 -6.7
-0.1
River City 2 Michigan 1 +1.0
+1.3
Forest City 1 Toronto Lynx 2 +0.7
-0.2
Fresno 3 Southern Cal 1 +0.3
Vermont 2 Azul 4 *+0.2
Inferno 2 Cincinnati 3 -0.3
Winnipeg 2 Springfield 1 +0.3
Thunder Bay 5 Kansas City 1 +0.2
Week of 7/15100.0*Chance in playoffs100.0*Average seed
Michigan 4 River City 0 Out
-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