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 Webster vs Calhoun City-13.3+17.8
-0.6+0.8
Okolona vs Europa-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
Calhoun City vs Okolona+13.5-18.0
+0.6-0.8
Winona vs East Webster-0.4+0.6
Europa vs Bruce-0.1+0.1

What If

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

100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456Count
55-0In1007,240,448
44-1In7029139,196,528
33-299.8%9394111084,870,835
22-352.70114139990,086,892
11-41.01297046,802,642
00-5Out1009,634,875
Total:64.4%151616171718277,832,220
Games Above .500
Chance Will Make Playoffs