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 +1.2
-0.1
Madison 0 Omaha 0 +1.2
+0.1
Fort Lauderdale 2 Madison 2 +0.1
+0.1
Tucson 2 Greenville 2 +0.1
Week of 10/17100.0*Chance in playoffs100.0*Average seed
Chattanooga 1 Madison 1 -1.7
-0.2
Richmond 0 South Georgia 1 +1.2
Greenville 1 Omaha 2 Out
-0.1
Tucson 2 Orlando II 0 -0.2
Orlando II 1 Richmond 3 -0.1
South Georgia 4 New England II 0 +0.1
Madison 0 North Texas 1 +0.0
If winner is:HomeDrawAway
Week of 10/24100.0*Chance in playoffs100.0*Average seed
Richmond vs Chattanooga-1.0-0.2+1.1
North Texas vs South Georgia+0.2+0.2-0.4
Madison vs New England II-0.1+0.3-0.1

What If

Chances based on how well the Chattanooga finish out the regular season.   Explain

100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-Lplayoffs1234567891011Count
221-0-0Out1006,545,617,405
200-1-0Out62384,300,592,249
190-0-1Out1556286,545,495,730
Total:Out3821301117,391,705,384
Points
Chance Will Make Playoffs