How are these numbers calculated?

Big Games

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

Week of 4/30100.0*Chance in playoffs100.0*Promoted100.0*Average seed
SAF U13B Premier 0 SSA Sav Uni Pr 4 +17.8
+17.8
+0.5
CGSA Strikers - 2 SSA Sav Uni Pr 7 +15.4
+15.4
+0.5
IMPACT SC M21 P 3 SSA Chelsea 03B 1 -4.7
-4.7
-0.2
UFA South Georg 1 SAF U13B Premier 5 -3.2
-3.2
-0.1
If winner is:HomeDrawAway
MAYS Striker 03 vs UFA 03 White-0.4+0.3+0.3
-0.4+0.3+0.3
MAYS Striker 03 vs SSA Sav Utd Bl-0.3In+0.1
-0.3Yes+0.1
MAYS Forsyth 03 vs SSA Sav Utd Bl+0.1+0.1-0.2
+0.1+0.1-0.2
If winner is:HomeDrawAway
Week of 5/7100.0*Chance in playoffs100.0*Promoted100.0*Average seed
SAF U13B Premier vs IMPACT SC M21 P+0.3In-0.5
+0.3Yes-0.5
+0.1+0.1-0.1
UFA South Georg vs IMPACT SC M21 P+0.4+0.4-0.5
+0.4+0.4-0.5
+0.1+0.1-0.1
SSA Sav Uni Pr vs MAYS Forsyth 03In+0.0-0.4
Yes+0.0-0.4
+0.1-0.1-0.1
UFA South Georg vs MAYS Striker 03+0.3+0.3-0.4
+0.3+0.3-0.4
SSA Sav Utd Bl vs UFA 03 White-0.2+0.1+0.1
-0.2+0.1+0.1
CGSA Strikers - vs SSA Sav Utd Bl+0.1+0.1-0.2
+0.1+0.1-0.2

What If

Chances based on how well the SSA Sav Uni Pr finish out the regular season.   Explain

100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-LplayoffsPromoted1234567891011RelegatedCount
451-0-0InYes100No2,833,026
420-1-099.6%99.6%81190No1,077,825
400-0-199.199.176231No2,832,699
Total:99.6%99.6%87130No6,743,550
Points
Chance Will Make Playoffs