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
North Texas 2 Richmond 1 -0.2
Tucson 2 Greenville 2 Out
-0.3
Fort Lauderdale 2 Madison 2 +0.2
Madison 0 Omaha 0 +0.0
Week of 10/17100.0*Chance in playoffs100.0*Average seed
Tucson 2 Orlando II 0 +1.1
Chattanooga 1 Madison 1 +0.2
Madison 0 North Texas 1 -0.2
South Georgia 4 New England II 0 +0.1
Richmond 0 South Georgia 1 -0.1
Week of 10/24100.0*Chance in playoffs100.0*Average seed
Richmond 1 Chattanooga 2 -0.6
North Texas 2 South Georgia 1 +0.1
Points
Chance Will Make Playoffs