The food is different from the current 100 years before. Before cooking it to sustain their families, while the people present and in addition will be used to present to business, as a trade.
Food today is different from 100 the previous year. In the days before cooking it in order to sustain their families, while the addition to the provision is also made for the trade to become a business.
The current food different from 100 years ago. In the past, cooking for their subsistence and family as present in addition to using the provision also to trade into a business.