TTM20172016201520142013
Restaurant-level operating margin12.7%13.1%12.7%14.9%15.1%16.8%
Restaurant-level operating margin growth (bps)3540-223-12-169-141
Operating margin-3.5%-2.1%-3.7%0.8%3.8%2.0%
Operating margin growth (bps)68157-445-303174-361
Net profit margin-3.9%-2.4%-18.2%1.1%2.9%1.8%
Net profit margin growth (bps)1,4861,582-1,929-182106-211

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