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-0.4+0.6
Bruce vs Winona+0.4-0.5
If winner is:HomeAway
Week of 10/9100.0*Chance in playoffs100.0*Average seed
Calhoun City vs Okolona-12.7+17.0
-0.6+0.8
Europa vs Bruce-0.4+0.5
Winona vs East Webster+0.1-0.2

What If

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

100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456Count
55-0In1009,630,990
44-1In7029146,811,441
33-299.8%9394111090,084,500
22-352.70114139984,864,183
11-41.01297039,203,845
00-5Out1007,237,261
Total:68.9%181717161615277,832,220
Games Above .500
Chance Will Make Playoffs