How are these numbers calculated? (show)

Points Above 12th  (Full Screen)
Chance Will Win Championship  (Full Screen)
RaceFinishStartLapsLeadPointsBonusPenaltyTotalPurse
Daytona 5002035152103103$332,863
Auto Club 50045250161605165161,200
Shelby 427724285401465151145,250
Kobalt Tools 500345262616190,475
Food City 5003943264646103,325
Goody’s Fast Relief 5002818498797990,675
Samsung 500314334931655170249,625
Subway Fresh Fit 500513312155155122,400
Aaron’s 4997218811465151140,225
Crown Royal Presents Richmond 400172040011211290,525
Southern 50081136711714210152112,625
Coca-Cola 6002016227103103116,175
Dover 40035400411655170188,700
Pocono 5001192004130513596,775
LifeLock 400520200421555160118,200
Toyota/Save Mart 3502815113797993,525
Lenox Industrial Tools 3011882731109511496,075
Coke Zero 400189160109109114,400
LifeLock.com 40031352657070103,325
Allstate 400 at the Brickyard412160160160282,000
Pennsylvania 500151120011811890,950
NASCAR Sprint Cup Series at the Glen5790155155114,625
Michigan 400201720010310398,100
Sharpie 50042500761605165171,225
Pep Boys Auto 500102632511345139123,675
Chevy Rock and Roll 400132440012412495,225
Sylvania 300922300138138104,300
Dover 400 Number 213440012412496,500
Kansas 40033126711316510175209,375
Pepsi 500202250103103113,400
Bank of America 500162333411511590,975
Tums Fast Relief 500252050068859390,550
Amp Energy 50048191160160142,500
Dickies 50088333142142149,925
Checker O'Reilly Auto Parts 50014631212112192,150
Ford 400148267121121
10,2415514,466+75-0=4,541$4,631,838