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
SS 39 BLOB 93.56 +10.7
+1.5
GBDQ 81.9 GS 61.82 -2.3
-0.2
WT 85.9 GK 94.04 +1.5
-0.1
MM 76.98 SOF 80.64 +1.5
+0.1
EES 84.08 13M 99.12 -1.1
-0.2
GR 73.26 BLEH 82.38 -0.5
-0.1
ROM 66.34 TFU 47.94 +0.2
NF 22.5 NUDE 84.8 +0.1
+0.1
REX 48.98 DM 63.88 -0.1
Saturday, 1/11100.0*Chance in playoffs100.0*Average seed
BLOB 58.78 SOF 78.6 -6.7
-2.0
BLEH 63.52 MM 69.82 -3.5
+0.1
JBOB 97.88 GBDQ 59.66 +2.6
+0.1
TFU 95.8 WT 87.62 -0.5
GS 58 ROM 56.6 -0.4
COBRA 70.62 DM 116.8 -0.4
-0.2
GK 68.38 SS 75.6 -0.2
If winner is:HomeAway
Sunday, 1/12100.0*Chance in playoffs100.0*Average seed
BLOB vs BLEHIn-16.2
+1.8-1.8
COBRA vs GBDQIn-16.1
+0.6-0.6
MM vs NUDE-8.9+8.9
-0.1+0.1
SOF vs GK+1.6-1.6
+0.1-0.1
NF vs REX-1.6+1.6
-0.2+0.2
ROM vs JBOB-0.2+0.2
EES vs DM+0.1-0.1
GR vs 13M+0.1-0.1

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011121314151617181920Count
71-0In151731311414,498,019
60-167.7%62932324,496,701
Total:83.8%0381516101516168,994,720
Games Above .500
Chance Will Make Playoffs