How are these numbers calculated?

Big Games

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

Week of 11/21100.0*Chance in playoffs100.0*Average seed
PARX 80.5 KEIT 77.5 +8.6
+0.5
FISH 111.5 NOON 55 +3.4
+0.2
JAKE 89.5 NICK 79.5 +1.8
+0.0
FS 122 SNED 132.5 +1.8
+0.1
SA 110.5 RAGE 115.5 +1.5
+0.1
WEIN 113.5 DD 97.5 +1.4
+0.0
If winner is:HomeTieAway
Week of 11/28100.0*Chance in playoffs100.0*Average seed
PARX vs SNED+33.6+4.0-12.1
+1.7+0.5-0.6
FISH vs DD+2.3+0.5-1.4
+0.2+0.1-0.1
SA vs KEIT-0.8+2.2+2.6
-0.1+0.2+0.3
FS vs NOON-0.4-2.5+0.4
-0.1-0.2+0.1
WEIN vs NICK-0.4+0.8+0.4
JAKE vs RAGE+0.3-0.3-0.3
+0.0-0.1-0.0

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs123456789101112Count
82-0-0In2638356,563,758
7.51-0-1In51161211978,972
71-1-095.5%122843224025,044,161
0-0-295.6211553254032,813
6.50-1-141.709334314201,589,573
60-2-02.803183931918,502,947
Total:62.0%46192112101411352,712,224
Games Above .500
Chance Will Make Playoffs