How are these numbers calculated?

Big Games

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

Week of 2/10100.0*Chance in playoffs100.0*Major Playoff100.0*Demoted100.0*Average seed
EGB 2 SG 0 +2.8
-16.0
+0.7
DEF 0 UNK 2 -1.3
-4.4
+0.1
INF 1 NoPing 2 +0.8
+4.3
-0.1
NoPing 1 TP 2 +0.4
-2.7
+0.1
bc 2 INF 0 -0.2
No
-2.7
+0.1
Week of 2/17100.0*Chance in playoffs100.0*Major Playoff100.0*Demoted100.0*Average seed
EGB 0 TP 2 Out
+21.8
-1.2
UNK 0 NoPing 2 +3.0
+5.9
-0.2
INF 2 DEF 0 -8.3
+0.2
NoPing 2 bc 0 +1.0
-0.1
UNK 1 SG 2 -0.1
If winner is:HomeAway
Week of 2/24100.0*Chance in playoffs100.0*Major Playoff100.0*Demoted100.0*Average seed
INF vs EGBYesNo
-0.8+0.7
TP vs DEF+0.2-0.2

What If

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

100100100100100100100100
If finish:Chance inMajorChance will finish regular season at seed
TPW-LplayoffsPlayoff12345678DemotedCount
31-0OutNo100No22,635,129,560
20-1OutNo5050Yes22,634,923,288
Total:OutNo50252550.0%45,270,052,848
Points
Chance Will Make Playoffs