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 +18.7
+1.1
BB 106.7 PK 99.4 +2.2
+0.1
RT 114.8 TC 170 +0.7
+0.0
BH 109.4 MM 76.9 -0.3
TS 139.5 TM 112 +0.3
Week of 11/26100.0*Chance in playoffs100.0*Average seed
JB 156.8 TD 100.5 +19.7
+1.3
TC 126.7 TS 126.4 +2.6
+0.1
MM 111.7 BB 157.4 +2.3
+0.1
RT 81.4 BH 158.2 +0.8
PK 81.9 AR 141.4 +0.4
-0.1
TM 113.3 AK 125.5 +0.3
+0.1
If winner is:HomeTieAway
Week of 12/3100.0*Chance in playoffs100.0*Average seed
PK vs JB-1.0-0.4+0.6
TS vs BH+0.3+0.1-0.2
AR vs MM-0.2+0.1+0.3
TD vs TM-0.2+0.0+0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs123456789101112Count
71-0-0In503215353,203,958
6.50-0-1In9334117339,010
60-1-0In316374531,329,240
Total:In3226231884,872,208
Games Above .500
Chance Will Make Playoffs