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
East Central vs Moss Point-13.7+18.2
-0.6+0.8
If winner is:HomeAway
Week of 10/9100.0*Chance in playoffs100.0*Average seed
Vancleave vs Moss Point-13.3+17.8
-0.6+0.8
St. Stanislaus vs Bay+0.5-0.7
Pass Christian vs East Central-0.4+0.5

What If

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

100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456Count
55-0In100324,120,831
44-1In702911,755,895,057
33-299.8%939411103,800,553,806
22-352.7011413994,033,881,583
11-41.0129702,095,729,650
00-5Out100431,306,813
Total:64.4%15161617171812,441,487,740
Games Above .500
Chance Will Make Playoffs