How are these numbers calculated?

Big Games

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

Week of 10/10100.0*Chance in playoffs100.0*Average seed
Madison 0 Omaha 0 -7.1
-0.0
North Texas 2 Richmond 1 +4.6
-0.1
Fort Lauderdale 2 Madison 2 +0.1
+0.0
Tucson 2 Greenville 2 +0.0
Week of 10/17100.0*Chance in playoffs100.0*Average seed
Greenville 1 Omaha 2 +32.5
+0.7
Orlando II 1 Richmond 3 -19.3
-0.2
Richmond 0 South Georgia 1 +10.6
+0.1
Madison 0 North Texas 1 -4.8
-0.1
Chattanooga 1 Madison 1 +0.2
+0.1
Week of 10/24100.0*Chance in playoffs100.0*Average seed
Richmond 1 Chattanooga 2 +40.5
+0.5
Omaha 1 Fort Lauderdale 0 +16.6
+0.4
North Texas 2 South Georgia 1 -2.5
-0.2
Points
Chance Will Make Playoffs