How are these numbers calculated?

Big Games

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

Week of 9/25100.0*Chance in playoffs100.0*Average seed
Biloxi 17 D'Iberville 35 +16.8
+0.9
If winner is:HomeAway
Week of 10/2100.0*Chance in playoffs100.0*Average seed
D'Iberville vs Ocean Springs+9.3-14.6
+0.6-0.9
George County vs Gulfport-0.3+0.2
Hancock vs St. Martin-0.1+0.2
Biloxi vs Harrison Central+0.2-0.1

What If

Chances based on how well the D'Iberville finish out the regular season.   Explain

100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678Count
76-0In1002,679,065
65-1In8416011,076,804
54-2100.0%3049192019,080,675
43-387.01133736121017,390,759
32-414.7011437361218,835,572
21-50.0022149282,372,246
10-6Out01981281,887
Total:79.8%29221613964261,717,008
Games Above .500
Chance Will Make Playoffs