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
Greenville 3 Toronto II 1 +4.7
+0.2
Tucson 2 Greenville 3 In
+0.3
Madison 1 North Texas 0 -0.7
-0.1
Chattanooga 2 Orlando B 1 -0.4
Tucson 0 Richmond 0 +0.2
Lansing 1 South Georgia 1 +0.2
+0.1
Week of 9/27100.0*Chance in playoffs100.0*Average seed
Greenville 0 Orlando B 1 -0.4
Week of 10/4100.0*Chance in playoffs100.0*Average seed
South Georgia 3 Greenville 1 -0.2
Lansing 0 Madison 1 +0.1
Points
Chance Will Make Playoffs