Subway sales dropping more than any major fast-food chain

Company could make two major changes

Business Insider says Subway, which was jolted by the recent Jared Fogle scandal, has also been suffering declining sales.

The Washington Post reports Subway sales fell 3-percent last year, the most of any Top 25 fast-food chain.

Subway execs say they may implement two major changes:  redesigning existing stores instead of opening new ones and overhauling its menu to get fillers and additives out of its food.

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