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
BH 109.4 MM 76.9 -15.8
-1.3
BB 106.7 PK 99.4 +1.4
+0.1
AR 159.1 JB 166.5 -0.5
TS 139.5 TM 112 +0.2
Week of 11/26100.0*Chance in playoffs100.0*Average seed
MM 111.7 BB 157.4 -21.5
-1.3
TC 126.7 TS 126.4 +3.5
+0.1
JB 156.8 TD 100.5 -3.4
-0.1
RT 81.4 BH 158.2 +0.7
PK 81.9 AR 141.4 -0.6
+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
AR vs MM-21.9-12.3+22.0
-0.8+0.0+0.8
PK vs JB-7.3+4.1+7.3
-0.3-0.0+0.3
BB vs RT+7.3+4.0-7.3
+0.3-0.0-0.3
TS vs BH-7.3+4.0+7.3
-0.3-0.0+0.3

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs123456789101112Count
61-0-047.0%473416314,728,291
5.50-0-112.613373712118,322
50-1-03.1316344714,730,531
Total:25.0%2525252529,577,144
Games Above .500
Chance Will Make Playoffs