How are these numbers calculated?

Big Games

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

Week of 11/7100.0*Chance in playoffs100.0*Average seed
Santos 2 Pachuca 1 +19.5
+1.4
León 0 Puebla 0 +5.9
+0.3
Cruz Azul 0 UNAM 2 +3.1
+0.1
Atlas 1 Tijuana 1 +0.9
+0.1
Querétaro 2 Morelia 0 -0.5
-0.1
Monterrey 1 Chiapas 2 -0.1
-0.1
Week of 11/15100.0*Chance in playoffs100.0*Average seed
Monterrey 1 Guadalajara 0 -0.1
If winner is:HomeDrawAway
Week of 11/21100.0*Chance in playoffs100.0*Average seed
Puebla vs Santos-35.9-8.9In
-1.2-0.2+1.6
Pachuca vs Veracruz-6.6+8.3+16.9
-0.2+0.2+0.6
UNAM vs Monterrey-9.6+8.6+8.4
-0.3+0.2+0.4
Tijuana vs León+6.2-2.5-11.2
+0.3-0.2-0.4
Chiapas vs Querétaro+5.4-2.6-11.3
+0.3-0.3-0.4
U. de G. vs Cruz Azul+5.3+5.3-8.6
+0.2+0.2-0.4

What If

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

100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-Lplayoffs123456789101112131415161718Count
251-0-0In492521,961,224
230-1-040.2%112934205116,547,917
220-0-113.1112243224727,067,019
Total:49.0%13414181811365,576,160
Points
Chance Will Make Playoffs