How are these numbers calculated?

Big Games

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

If winner is:HomeAway
Week of 9/11100.0*Chance in playoffs100.0*Playoffs100.0*Average seed
West Lowndes vs Biggersville-11.7+15.7
-11.7+15.7
-0.7+1.0
Falkner vs Coldwater+0.0-0.1
+0.0-0.1
If winner is:HomeAway
Week of 9/18100.0*Chance in playoffs100.0*Playoffs100.0*Average seed
Biggersville vs Smithville+11.6-15.5
+11.6-15.5
+0.7-1.0
Thrasher vs Vardaman+0.0-0.1
+0.0-0.1

What If

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

100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-LplayoffsPlayoffs123456789Count
88-0InYes100526,982
77-1InYes94604,080,665
66-2100.0%100.0%573760014,718,441
55-396.796.7831391930029,978,047
44-432.532.501725352571037,718,504
33-50.10.1003193931829,976,336
22-6OutNo006375714,720,116
11-7OutNo06944,081,854
00-8OutNo100527,295
Total:44.4%44.4%111111111111111111136,328,240
Games Above .500
Chance Will Make Playoffs