TTM20172016201520142013
Restaurant-level operating margin21.5%21.5%24.7%25.2%25.1%24.3%
Restaurant-level operating margin growth (bps)-323-323-52157426
Operating margin-6.1%-6.1%3.8%9.1%9.7%8.6%
Operating margin growth (bps)-997-997-526-63110136
Net profit margin-5.4%-5.4%2.3%5.6%5.9%1.7%
Net profit margin growth (bps)-776-776-326-314246

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