How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Friday, 1/10100.0*Chance in playoffs100.0*Average seed
EES 84.08 13M 99.12 +11.6
+1.6
REX 48.98 DM 63.88 -2.0
-0.2
GBDQ 81.9 GS 61.82 -1.4
-0.1
ROM 66.34 TFU 47.94 -0.9
-0.1
WT 85.9 GK 94.04 +0.8
COBRA 109.6 JBOB 84.16 -0.8
-0.1
GR 73.26 BLEH 82.38 +0.6
MM 76.98 SOF 80.64 -0.5
+0.1
SS 39 BLOB 93.56 -0.4
-0.2
NF 22.5 NUDE 84.8 +0.2
+0.1
Saturday, 1/11100.0*Chance in playoffs100.0*Average seed
13M 81.88 NF 34.12 In
+2.1
BLOB 58.78 SOF 78.6 -2.2
+0.2
TFU 95.8 WT 87.62 +1.8
+0.1
GS 58 ROM 56.6 +1.7
+0.1
COBRA 70.62 DM 116.8 -1.4
+0.1
BLEH 63.52 MM 69.82 -1.0
-0.1
JBOB 97.88 GBDQ 59.66 +0.9
-0.1
GK 68.38 SS 75.6 +0.1
+0.2
If winner is:HomeAway
Sunday, 1/12100.0*Chance in playoffs100.0*Average seed
GR vs 13M-1.0+1.0
COBRA vs GBDQ-0.4+0.4
EES vs DM+0.4-0.4
ROM vs JBOB+0.3-0.3
BLOB vs BLEH+0.3-0.3
SOF vs GK+0.2-0.2
NF vs REX+0.2-0.2

What If

Chances based on how well the 13M finish out the regular season.   Explain

100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011121314151617181920Count
81-0In4147124,499,858
70-1In4163025135524,494,862
Total:In2231211363218,994,720
Games Above .500
Chance Will Make Playoffs