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
Kansas City 0 Colorado 3 -37.4
-0.6
Des Moines 2 Thunder Bay 1 +16.3
+0.5
Kansas City 5 Colorado 0 +4.9
+0.1
Des Moines 1 Thunder Bay 1 -3.3
-0.0
Hamilton 2 Forest City 4 -1.1
-0.1
Baltimore 3 Express 2 +0.2
Fire-PDL 0 Michigan 2 +0.1
+0.0
Toronto Lynx 1 Fire-PDL 0 +0.1
+0.1
Maryland 1 Northern Virginia 0 +0.1
Hamilton 1 Fire-PDL 4 -0.1
-0.1
Week of 7/8100.0*Chance in playoffs100.0*Average seed
Hamilton 2 River City 0 +0.1
Winnipeg 2 Springfield 1 +0.1
Week of 7/15100.0*Chance in playoffs100.0*Average seed
Michigan 4 River City 0 +0.0
Points
Chance Will Make Playoffs