How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Saturday, 8/1100.0*Chance in playoffs100.0*Relegated100.0*Average seed
MSF 0 XL 1 -7.7
+9.1
-0.5
RGE 0 SK 1 -2.2
G2 1 FNC 0 -1.7
OG 0 S04 1 +0.6
+9.4
-0.1
VIT 1 MAD 0 -0.3
+3.5
-0.1
If winner is:HomeAway
Friday, 8/7100.0*Chance in playoffs100.0*Relegated100.0*Average seed
MSF vs G2+0.7Out
-21.1+10.7
+0.4-0.2
OG vs SK-0.2+0.1
-0.1+0.1
VIT vs S04-2.3+2.9
FNC vs XL-0.1+0.1

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910RelegatedCount
83-011.4%01149382No803,535
72-1Out7513744.2%5,789,785
61-2Out8365555.412,377,409
50-3Out100Yes8,013,491
Total:0.3%00316255656.0%26,984,220
Games Above .500
Chance Will Make Playoffs