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 10/2100.0*Chance in playoffs100.0*Average seed
Charleston vs Water Valley-13.3+17.8
-0.6+0.8
Palmer vs North Panola+0.5-0.6
Independence vs Holly Springs-0.5+0.6
If winner is:HomeAway
Week of 10/9100.0*Chance in playoffs100.0*Average seed
Water Valley vs Independence+13.5-18.0
+0.6-0.8
North Panola vs Charleston-0.4+0.6
Holly Springs vs Palmer-0.1+0.1

What If

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

100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456Count
55-0In10029,090,026
44-1In70291157,584,305
33-299.8%93941110341,086,068
22-352.701141399361,992,461
11-41.012970188,074,725
00-5Out10038,707,299
Total:64.4%1516161717181,116,534,884
Games Above .500
Chance Will Make Playoffs