How are these numbers calculated?

Big Games

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

Week of 11/19100.0*Chance in playoffs100.0*Average seed
AR 159.1 JB 166.5 -12.7
-1.1
BB 106.7 PK 99.4 +0.8
+0.1
BH 109.4 MM 76.9 -0.5
+0.0
RT 114.8 TC 170 +0.5
TS 139.5 TM 112 +0.4
+0.0
Week of 11/26100.0*Chance in playoffs100.0*Average seed
PK 81.9 AR 141.4 +21.3
+1.3
TC 126.7 TS 126.4 +2.6
+0.1
JB 156.8 TD 100.5 -2.6
-0.1
MM 111.7 BB 157.4 +2.1
+0.1
RT 81.4 BH 158.2 +0.7
TM 113.3 AK 125.5 +0.2
+0.1
If winner is:HomeTieAway
Week of 12/3100.0*Chance in playoffs100.0*Average seed
AR vs MM+0.6-0.2-0.8
PK vs JB+0.3+0.1-0.2
TS vs BH+0.3+0.1-0.2
TD vs TM-0.2+0.0+0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs123456789101112Count
71-0-0In413519548,160,026
6.50-0-1In8314319337,956
60-1-0In212345236,374,226
Total:In2425262584,872,208
Games Above .500
Chance Will Make Playoffs