How are these numbers calculated?

Big Games

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

Week of 10/21100.0*Chance in playoffs100.0*Average seed
SHS 0 NCHS 8 -2.5
+0.3
HCHS 35 DHHS 36 +1.0
WA 56 LHS 0 -0.6
-0.1
If winner is:HomeAway
Week of 10/28100.0*Chance in playoffs100.0*Average seed
NCHS vs HCHS-5.8+7.9
EHS vs SHS+0.1-2.8
+0.0-0.2
DHHS vs WA-1.7+0.0
-0.2+0.0

What If

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

100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567Count
31-086.2%0483814010,809,876,287
20-112.1210711349,998,296,489
Total:50.6%02625416220,808,172,776
Games Above .500
Chance Will Make Playoffs