How are these numbers calculated?

Big Games

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

Week of 2/17100.0*Chance in playoffs100.0*Average seed
Drunks 3 DE FAZIO 8 +11.1
+1.1
Living Legends 4.5 SPAM 6.5 +2.5
+0.2
Megano 6 JustJoe 5 -2.2
-0.2
Boom 7 SmokButts 4 -0.6
Shteekers 3 Shoot Inside 8 +0.2
FatFucks 5.5 Red's Rippers 5.5 +0.1
-0.0
VaFangul 6 Pace 5 -0.1
Week of 2/24100.0*Chance in playoffs100.0*Average seed
SPAM 6 DE FAZIO 5 -15.9
-1.1
Living Legends 7 Megano 4 +6.9
Red's Rippers 8.5 VaFangul 2.5 -3.2
-0.1
Shteekers 5 SmokButts 6 +2.1
+0.1
Pace 6 Drunks 5 +0.7
+0.1
If winner is:HomeTieAway
Week of 3/2100.0*Chance in playoffs100.0*Average seed
DE FAZIO vs VaFangul+1.0-0.2-1.1
Megano vs Boom-0.2-0.2+0.2
Drunks vs Living Legends-0.0-0.2+0.1
SmokButts vs SPAM+0.0+0.0-0.1

What If

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

100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs1234567891011121314Count
191-0-0Out18503220,140,244
180-0-1Out62389,246,930
170-1-0Out16483716,893,070
Total:Out82232251346,280,244
Games Above .500
Chance Will Make Playoffs