How are these numbers calculated?

Big Games

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

If winner is:HomeAway
Week of 2/23100.0*Chance in playoffs100.0*Demoted100.0*Average seed
LBZS vs iG+0.5Out
-8.7+8.7
+0.2-0.2
Aster vs LBZSOut+0.5
+8.7-8.7
-0.2+0.2
EHOME vs LBZSOut+0.5
Yes-13.1
-0.5+0.5
PSG.LGD vs EHOME-0.4+0.4
-1.2+1.2
+0.1-0.1
EHOME vs Elephant+0.4-0.4
+0.6-0.6
-0.1+0.1
VG vs Elephant+0.2-0.2
-0.8+0.8
PSG.LGD vs VG-0.2+0.2
+0.5-0.5
VG vs Aster+0.2-0.2
-0.7+0.7
PSG.LGD vs iG-0.1+0.1
-0.3+0.3
Aster vs iG-0.1+0.1
-0.1+0.1
MagMa vs iG-0.1+0.1
+3.7-3.7
-0.1+0.1
Aster vs MagMa-3.8+3.8
+0.1-0.1
Elephant vs MagMa-4.0+4.0
+0.1-0.1

What If

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

100100100100100100100100
If finish:Chance inMajorChance will finish regular season at seed
TPW-LplayoffsPlayoff12345678DemotedCount
33-03.9%No04174927329.6%39,789,424
22-1OutNo011395088.9119,071,226
11-2OutNo089299.7119,071,193
00-3OutNo100Yes39,788,829
Total:0.5%No00210216686.9%317,720,672
Points
Chance Will Make Playoffs