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
Hamilton 2 Forest City 4 -0.8
-0.1
Fire-PDL 0 Michigan 2 +0.1
+0.1
Kansas City 0 Colorado 3 Out
Toronto Lynx 1 Fire-PDL 0 +0.1
Des Moines 2 Thunder Bay 1 -0.1
Kansas City 5 St. Louis 1 +0.1
Hamilton 1 Fire-PDL 4 -0.1
NJ Rangers 4 Spartans 0 +0.1
River City 1 Inferno 2 -0.1
Orlando City 2 Mississippi 1 +0.1
Week of 7/8100.0*Chance in playoffs100.0*Average seed
Winnipeg 2 Springfield 1 -0.9
Winnipeg 2 Springfield 1 -0.8
Thunder Bay 3 Kansas City 1 +0.5
River City 2 Michigan 1 -0.4
Hamilton 2 River City 0 +0.1
Fire-PDL 2 Forest City 1 -0.1
Inferno 2 Cincinnati 3 -0.1
Thunder Bay 5 Kansas City 1 +0.0
Toronto Lynx 3 River City 1 +0.0
Week of 7/15100.0*Chance in playoffs100.0*Average seed
Inferno 0 Fire-PDL 1 -0.6
Toronto Lynx 2 Hamilton 0 -0.5
Points
Chance Will Make Playoffs