How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 9/20100.0*Chance in playoffs100.0*Average seed
Madison 1 North Texas 0 -12.0
-0.2
Chattanooga 2 Orlando B 1 +10.1
+0.8
Greenville 3 Toronto II 1 -1.8
+0.1
Tucson 2 Greenville 3 -1.4
+0.1
Tucson 0 Richmond 0 +0.9
+0.1
Lansing 1 South Georgia 1 +0.5
+0.0
Week of 9/27100.0*Chance in playoffs100.0*Average seed
Chattanooga 2 Richmond 1 +14.7
+0.5
Tucson 1 Madison 1 +1.0
Toronto II 1 South Georgia 0 +0.3
+0.1
Week of 10/4100.0*Chance in playoffs100.0*Average seed
Chattanooga 1 Toronto II 1 Out
-0.2
Lansing 0 Madison 1 Out
-0.2
Points
Chance Will Make Playoffs