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
Okolona vs Europa-13.3+17.8
-0.6+0.8
East Webster vs Calhoun City+0.5-0.6
Bruce vs Winona-0.5+0.6
If winner is:HomeAway
Week of 10/9100.0*Chance in playoffs100.0*Average seed
Europa vs Bruce+13.5-18.0
+0.6-0.8
Calhoun City vs Okolona-0.4+0.5
Winona vs East Webster-0.1+0.1

What If

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

100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456Count
55-0In1007,233,003
44-1In7029139,208,940
33-299.8%9394111084,859,924
22-352.70114139990,099,805
11-41.01297046,799,504
00-5Out1009,631,044
Total:64.4%151616171718277,832,220
Games Above .500
Chance Will Make Playoffs