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*Loser's Bracket100.0*Average seed
IS 97.1 CC 58.1 +3.5
No
+0.5
DYE 81.68 OW 69.96 -0.6
+0.3
-0.1
WITM 54.5 SS 64.96 +0.2
-0.2
DEM 82.78 NR 32.2 +0.2
+0.1
SF 71.78 BBR 81.42 +0.1
PF 87.98 FRAT 67.2 -0.1
If winner is:HomeAway
Sunday, 1/12100.0*Chance in playoffs100.0*Loser's Bracket100.0*Average seed
DEM vs IS-0.2In
-0.7+0.4
BBR vs WITMIn-0.2
-0.1+0.1
NR vs DYEIn-0.1
+0.1-0.1
CC vs SFIn-0.1
OW vs PF+0.3-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seedLoser's
TWW-Lplayoffs123456789101112BracketCount
92-0In14356No21,171,128
81-1In57520No22,811,908
70-299.3%82238311No6,156,372
Total:99.9%0205912540No50,139,408
Games Above .500
Chance Will Make Playoffs