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
COBRA 109.6 JBOB 84.16 -1.5
-1.6
ROM 66.34 TFU 47.94 -0.8
-0.1
SS 39 BLOB 93.56 -0.4
+0.1
MM 76.98 SOF 80.64 -0.4
+0.1
REX 48.98 DM 63.88 -0.3
-0.1
GBDQ 81.9 GS 61.82 -0.3
-0.1
EES 84.08 13M 99.12 -0.2
-0.1
NF 22.5 NUDE 84.8 +0.2
+0.2
GR 73.26 BLEH 82.38 -0.1
-0.2
Saturday, 1/11100.0*Chance in playoffs100.0*Average seed
JBOB 97.88 GBDQ 59.66 In
+2.2
GS 58 ROM 56.6 +5.2
+0.2
GK 68.38 SS 75.6 +2.0
COBRA 70.62 DM 116.8 -1.7
-0.2
BLEH 63.52 MM 69.82 -1.6
13M 81.88 NF 34.12 +1.4
TFU 95.8 WT 87.62 +0.9
BLOB 58.78 SOF 78.6 -0.1
+0.1
If winner is:HomeAway
Sunday, 1/12100.0*Chance in playoffs100.0*Average seed
ROM vs JBOB-1.1+1.1
BLOB vs BLEH+0.5-0.5
GR vs 13M+0.3-0.3
MM vs NUDE-0.3+0.3
COBRA vs GBDQ-0.3+0.3
EES vs DM+0.2-0.2
SOF vs GK-0.2+0.2
NF vs REX+0.2-0.2
SS vs TFU-0.1+0.1

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011121314151617181920Count
81-0In829352164,496,415
70-1In1132526169734,498,305
Total:In41524231685318,994,720
Games Above .500
Chance Will Make Playoffs