How are these numbers calculated?

Big Games

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

Week of 6/28100.0*Chance in playoffs100.0*Play-in100.0*Average seed
Valiant 2 Spark 3 +5.2
+0.0
+0.2
Spark 4 Mayhem 0 +2.2
+0.1
Valiant 4 Spitfire 0 +1.5
+0.1
Shock 4 Spitfire 0 +1.1
+0.0
Fusion 3 Uprising 2 -1.0
-0.0
Gladiators 4 Defiant 0 -1.0
-0.1
Dynasty 3 Hunters 0 -0.9
Dynasty 3 Eternal 1 -0.9
Charge 1 Dragons 3 -0.7
Titans 4 Gladiators 0 +0.4
+0.0
Excelsior 3 Fuel 2 +0.1
If winner is:HomeAway
Week of 7/6100.0*Chance in playoffs100.0*Play-in100.0*Average seed
Justice vs Fusion+1.5-0.3
+0.1-0.0
Dragons vs Charge-0.5+1.0
Dragons vs Fusion+0.2-0.2

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-LplayoffsPlay-in1234567891011121314151617181920Count
217-0InYes00554562,018,332
206-1InYes0267400353,725,726
195-2100.0%Yes7866000776,060,611
184-399.5Yes162316000877,866,407
173-487.3Yes019383011200563,575,109
162-539.5Yes0110283621400207,728,953
151-64.2Yes00420433030041,009,098
140-70.0100.0%00115483140003,721,524
Total:91.5%100.0%007561910521000002,885,705,760
Games Above .500
Chance Will Make Playoffs