TTM20172016201520142013
Restaurant-level operating margin15.2%15.8%17.5%17.3%16.0%17.1%
Restaurant-level operating margin growth (bps)-210-17523140-107137
Operating margin6.2%6.8%8.8%7.9%7.3%8.6%
Operating margin growth (bps)-242-2079754-12590
Net profit margin6.5%7.0%6.1%5.5%5.1%6.1%
Net profit margin growth (bps)33835842-9765

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