How are these numbers calculated? (show)

Points Behind 1st  (Full Screen)
Chance Will Win Championship  (Full Screen)
RaceFinishStartLapsLeadPointsBonusTotal
GAINSCO Auto Insurance Indy 30088198352424
Honda Grand Prix of St. Petersburg3183153535
Indy Japan 300532003030
Toyota Grand Prix of Long Beach
RoadRunner Turbo Indy 3002112004040
92nd Indianapolis 500296105121010
ABC Supply Company A.J. Foyt 225362253535
Bombardier Learjet 5505132283030
Iowa Corn Indy 250184211711212
SunTrust Indy Challenge1130016650353
Camping World Watkins Glen Grand Prix36603535
Firestone Indy 200471715932335
Honda 20075852626
Rexall Edmonton Indy9129192222
Meijer Indy 300872002424
Motorola Indy 300348013535
Detroit Indy Grand Prix38873535
Peak Antifreeze Indy 30044200473232
2,724415507+6=513