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*Major Playoff100.0*Demoted100.0*Average seed
PSG.LGD vs iG-7.1+7.1
-14.2+14.2
+1.0No
-0.6+0.6
MagMa vs iG-6.5+6.5
-11.4+11.4
+1.0No
-0.4+0.4
Aster vs iG-6.5+6.5
-31.5+31.5
+1.0No
-0.7+0.7
LBZS vs iG-5.1+5.1
-11.4+11.4
+1.0No
-0.4+0.4
Aster vs MagMa+1.4-1.4
-5.0+5.0
-0.5+0.5
VG vs Aster-1.0+1.0
+3.5-3.5
+0.1-0.1
EHOME vs Elephant+0.9-0.9
-0.1+0.1
PSG.LGD vs EHOME-0.8+0.8
-2.7+2.7
-0.4+0.4
-0.1+0.1
PSG.LGD vs VG+0.7-0.7
+0.4-0.4
-0.3+0.3
Elephant vs MagMa+0.7-0.7
+0.2-0.2
+0.1-0.1
VG vs Elephant-0.1+0.1
-3.3+3.3
-0.3+0.3
-0.1+0.1
Aster vs LBZS+0.1-0.1
-5.1+5.1
-0.7+0.7
-0.1+0.1
EHOME vs LBZS-0.1+0.1
-0.4+0.4

What If

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

100100100100100100100100
If finish:Chance inMajorChance will finish regular season at seed
TPW-LplayoffsPlayoff12345678DemotedCount
74-0InYes100No19,941,528
63-1In87.7%88120No79,380,263
52-2In37.83850110No119,074,856
41-392.5%1.1120452770No79,378,678
30-414.7No114353415116.2%19,945,347
Total:92.8%42.6%432716842101.0%317,720,672
Points
Chance Will Make Playoffs