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
REX 48.98 DM 63.88 -9.9
-1.2
GBDQ 81.9 GS 61.82 -1.0
+0.1
NF 22.5 NUDE 84.8 +0.7
+0.1
ROM 66.34 TFU 47.94 -0.5
SS 39 BLOB 93.56 -0.5
MM 76.98 SOF 80.64 -0.5
COBRA 109.6 JBOB 84.16 +0.2
GR 73.26 BLEH 82.38 +0.2
+0.1
EES 84.08 13M 99.12 -0.2
WT 85.9 GK 94.04 +0.1
+0.1
Saturday, 1/11100.0*Chance in playoffs100.0*Average seed
REX 37.5 EES 57.72 -0.7
NUDE 83.54 GR 74.22 +0.2
GS 58 ROM 56.6 -0.1
TFU 95.8 WT 87.62 +0.1
If winner is:HomeAway
Sunday, 1/12100.0*Chance in playoffs100.0*Average seed
NF vs REX-0.7+0.7
MM vs NUDE-0.2+0.2
SS vs TFU+0.2-0.2
GR vs 13M-0.1+0.1

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011121314151617181920Count
41-0Out644504,497,893
30-1Out3156124,496,827
Total:Out322412868,994,720
Games Above .500
Chance Will Make Playoffs