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 -0.3
-0.0
Fire-PDL 0 Michigan 2 +0.1
+0.1
Kansas City 0 Colorado 3 Out
Toronto Lynx 1 Fire-PDL 0 +0.2
St. Louis 2 Thunder Bay 3 +0.1
Week of 7/8100.0*Chance in playoffs100.0*Average seed
Fire-PDL 2 Forest City 1 -0.1
Winnipeg 2 Springfield 1 -1.0
Winnipeg 2 Springfield 1 -0.9
Thunder Bay 3 Kansas City 1 +0.4
River City 2 Michigan 1 -0.2
Thunder Bay 5 Kansas City 1 +0.2
Inferno 2 Cincinnati 3 -0.1
Forest City 1 Toronto Lynx 2 -0.1
Week of 7/15100.0*Chance in playoffs100.0*Average seed
Toronto Lynx 2 Hamilton 0 -0.6
Inferno 0 Fire-PDL 1 -0.6
Points
Chance Will Make Playoffs