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
NF 22.5 NUDE 84.8 -1.2
-1.2
REX 48.98 DM 63.88 +0.6
-0.1
GBDQ 81.9 GS 61.82 -0.3
WT 85.9 GK 94.04 +0.2
SS 39 BLOB 93.56 -0.2
-0.1
GR 73.26 BLEH 82.38 -0.2
-0.2
EES 84.08 13M 99.12 +0.2
-0.1
COBRA 109.6 JBOB 84.16 -0.2
MM 76.98 SOF 80.64 +0.2
Saturday, 1/11100.0*Chance in playoffs100.0*Average seed
13M 81.88 NF 34.12 -2.0
-2.0
JBOB 97.88 GBDQ 59.66 +1.4
-0.2
TFU 95.8 WT 87.62 +1.3
+0.1
BLOB 58.78 SOF 78.6 -0.9
+0.2
BLEH 63.52 MM 69.82 -0.5
+0.1
GS 58 ROM 56.6 -0.4
COBRA 70.62 DM 116.8 -0.2
-0.1
GK 68.38 SS 75.6 +0.2
+0.2
If winner is:HomeAway
Sunday, 1/12100.0*Chance in playoffs100.0*Average seed
NF vs REX+1.4-1.4
MM vs NUDE-0.3+0.3
COBRA vs GBDQ-0.3+0.3
GR vs 13M-0.2+0.2
BLOB vs BLEH+0.2-0.2
ROM vs JBOB-0.2+0.2
EES vs DM+0.1-0.1
SOF vs GK+0.1-0.1

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011121314151617181920Count
71-0In16162423161214,496,827
60-1In163434164,497,893
Total:In038121216231888,994,720
Games Above .500
Chance Will Make Playoffs