How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Friday, 1/11100.0*Chance in playoffs100.0*Average seed
prsn 81.92 am 97.1 -0.4
-1.1
me 90.48 chrs 90.66 -0.1
ryn 79.78 jrrd 93.76 -0.1
-0.0
jsn 65.74 bnks 106.32 -0.1
jd 111.72 hr 57 -0.0
If winner is:HomeTieAway
Saturday, 1/12100.0*Chance in playoffs100.0*Average seed
jd vs prsn-0.4-0.0In
-0.8-0.5+1.2
bnks vs chrs+0.2+0.2-0.4
-0.0+0.2-0.0
ryn vs hr+0.2+0.1-0.2
-0.0+0.2-0.0
jsn vs am-0.1+0.3+0.0
+0.0+0.2-0.0
me vs jrrd+0.2+0.2-0.1

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs12345678910Count
82-0-0In304223512,830,656
7.51-0-1In18273722302,945,503
71-1-0In0216363681030,325,062
0-0-299.3%0735351761167,515
6.50-1-198.803263625913,439,487
60-2-098.1118353114217,526,277
Total:99.4%6913192315104167,234,500
Games Above .500
Chance Will Make Playoffs