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
St. Louis 2 Thunder Bay 3 Out
-0.9
Hamilton 2 Forest City 4 +0.1
Fire-PDL 0 Michigan 2 +0.1
Toronto Lynx 1 Fire-PDL 0 -0.2
Kansas City 5 St. Louis 1 -0.1
Week of 7/8100.0*Chance in playoffs100.0*Average seed
Winnipeg 2 Springfield 1 -0.3
Orange County 5 BYU 1 +0.3
Virginia Beach 2 West Virginia 0 +0.3
Vermont 2 Azul 4 +0.3
Portland Phoenix 5 Boston 0 +0.3
Thunder Bay 3 Kansas City 1 +0.3
El Paso 1 Laredo 4 +0.3
West-Texas 2 Texas 0 +0.3
Seacoast 0 Worcester 2 +0.3
Ottawa 1 Western Mass 1 +0.2
Baltimore 2 Brooklyn 2 +0.2
Hamilton 2 River City 0 -0.1
Winnipeg 2 Springfield 1 -0.1
Week of 7/15None
Points
Chance Will Make Playoffs