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 -24.2
-0.5
Des Moines 1 Thunder Bay 1 -14.2
-0.3
Des Moines 2 Thunder Bay 1 +10.7
+0.3
Kansas City 5 Colorado 0 +8.8
+0.1
Hamilton 2 Forest City 4 -1.8
-0.1
Fire-PDL 0 Michigan 2 +0.5
+0.1
Kansas City 5 St. Louis 1 -0.2
Toronto Lynx 1 Fire-PDL 0 +0.1
Week of 7/8100.0*Chance in playoffs100.0*Average seed
Fire-PDL 2 Forest City 1 +0.1
Hamilton 2 River City 0 +0.1
River City 2 Michigan 1 -0.1
Winnipeg 2 Springfield 1 +0.1
Thunder Bay 5 Kansas City 1 +0.1
Week of 7/15100.0*Chance in playoffs100.0*Average seed
St. Louis 1 Des Moines 4 +0.2
Michigan 4 River City 0 +0.2
Points
Chance Will Make Playoffs