How are these numbers calculated?

Big Games

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

Saturday, 1/11100.0*Chance in playoffs100.0*Average seed
JOE 42.1 GTKP 58.4 +14.0
+1.7
SOF 72.28 KAGER 66.52 +1.6
+0.1
TZAH 63.5 LPDP 58.3 +1.5
+0.1
DEC 36.18 MNI 64.14 -1.4
-0.1
CC 59.22 DM 74.58 +1.2
+0.1
DIII 51.46 VNS 48.2 +1.0
+0.1
BLEH 99.8 PIES 57.4 +0.8
GCG 45.22 COBRA 53.8 -0.3
+0.1
CKGK 61.28 NON 62.24 -0.3
-0.2
FG 79.14 BLOB 93.58 +0.3
+0.1
If winner is:HomeAway
Sunday, 1/12100.0*Chance in playoffs100.0*Average seed
GTKP vs DIII+15.5-15.5
+1.1-1.1
KAGER vs CKGK-4.3+4.3
-0.2+0.2
BLOB vs BLEH+4.2-4.2
+0.2-0.2
VNS vs CC-4.1+4.1
-0.2+0.2
LPDP vs DEC-3.8+3.8
-0.2+0.2
NON vs DM-3.4+3.4
-0.2+0.2
PIES vs GCG-3.1+3.1
-0.3+0.3
MNI vs JOE-1.6+1.6
-0.1+0.1
COBRA vs SOF-0.9+0.9

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011121314151617181920Count
82-095.9%01036341641,928,262
71-130.20110192221168203,853,857
60-20.10141428341921,926,201
Total:39.1%02101314121112119507,708,320
Games Above .500
Chance Will Make Playoffs