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 +20.7
+1.0
me 90.48 chrs 90.66 -2.5
-0.0
jsn 65.74 bnks 106.32 +1.9
+0.0
jd 111.72 hr 57 +1.8
+0.1
ryn 79.78 jrrd 93.76 -1.4
-0.1
If winner is:HomeTieAway
Saturday, 1/12100.0*Chance in playoffs100.0*Average seed
jsn vs am-25.3-2.1+25.5
-1.3-0.7+1.3
bnks vs chrs+3.8+2.5-4.1
+0.1+0.2-0.1
ryn vs hr+3.7+2.5-4.0
+0.1+0.2-0.1
me vs jrrd-1.2+1.3+1.1
+0.0+0.1-0.0
jd vs prsn+0.4+0.1-0.4
+0.1+0.1-0.1

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs12345678910Count
72-0-0In0619332912105,058,433
6.51-0-196.6%011232321931,065,011
61-1-088.50062133291110,109,301
0-0-252.41123941655,856
5.50-1-131.9052658111,062,690
50-2-013.311271165,060,209
Total:71.7%01481013171824422,411,500
Games Above .500
Chance Will Make Playoffs