How are these numbers calculated?

Big Games

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

Week of 11/21100.0*Average seed
Franklin 6 Mitchell 3 +0.9
Wright 6 Wallace 15 -0.2
Zwiefel 14 Hamilton 4 -0.2
If winner is:HomeAway
Week of 12/5100.0*Average seed
Hamilton vs Franklin-0.2+0.6
Mitchell vs Wright+0.3-0.1
Wallace vs Zwiefel-0.1+0.1

What If

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

100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456Count
41-0Out10023,561,832
30-1Out178364,426,767
Total:Out396187,988,599
Games Above .500
Chance Will Make Playoffs