According to the U.S. Bureau of Labor Statistics, prices for bread were 39.85% lower in 2000 versus 2017.
Bread experienced an average inflation rate of 3.04% per year between 2000 and 2017. In other words, bread costing $5 in the year 2000 would cost $8.31 in 2017 for an equivalent purchase.
Pricing changed by 3.30% in 2000, above the yearly average change for bread during the 2000-2017 time period. Compared to overall inflation for all items in 2000 (3.27%), price inflation for bread was higher.
Raw Consumer Price Index data from U.S. Bureau of Labor Statistics for Bread: