How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 10/27100.0*Chance in playoffs100.0*Average seed
Jaylen 73.9 Mitch 80.6 -12.5
-0.9
Phil 66.2 Derek 95.3 -0.9
AndrewF 59.5 BenG 60.8 +0.4
Ryan 92.1 Manj 94.8 +0.1
If winner is:HomeAway
Week of 11/3100.0*Chance in playoffs100.0*Average seed
Derek vs Jaylen-12.3+12.3
-0.9+0.9
Manj vs AndrewF+1.9-1.9
+0.1-0.1
BenF vs Ryan-1.9+1.9
Mitch vs BenG+1.5-1.5
+0.1-0.1
AndrewL vs Kyle-0.7+0.7
John vs Phil-0.6+0.6

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
85-0100.0%0104437910282,565
74-185.5004183430122001,403,909
63-215.3002133034183002,807,621
52-30.00011134411112,812,416
41-4Out0033241241,404,848
30-5Out41976283,377
Total:21.3%002469121417191178,994,736
Games Above .500
Chance Will Make Playoffs