TTM20162015201420132012
Restaurant-level operating margin9.4%10.8%11.9%14.0%15.4%15.8%
Restaurant-level operating margin growth (bps)-187-113-213-138-42124
Operating margin2.0%2.7%1.3%2.5%6.6%8.3%
Operating margin growth (bps)-90139-118-412-165114
Net profit margin1.4%1.8%1.2%2.5%-0.1%5.7%
Net profit margin growth (bps)-8258-131260-572149

Notes:Restaurant-level operating margin represents restaurant-level operating income, which equals company-operated restaurants sales minus company-operated restaurant costs, which includes cost of goods sold (food, beverage and packaging), labor, occupancy and other operating costs, expressed as a % of company-operated restaurant sales