What was the percentage change in net revenues between 2018 and 2019?
{"United States, Canada and Latin America (Americas)": {"April 26, 2019": 3425, "April 27, 2018": 3207, "April 28, 2017": 3021}, "Europe, Middle East and Africa (EMEA)": {"April 26, 2019": 1847, "April 27, 2018": 1873, "April 28, 2017": 1741}, "Asia Pacific (APAC)": {"April 26, 2019": 874, "April 27, 2018": 839, "April 28, 2017": 729}, "Net revenues": {"April 26, 2019": 6146, "April 27, 2018": 5919, "April 28, 2017": 5491}}
net_revenues_2019 = df["Net revenues"]["April 26, 2019"]
net_revenues_2018 = df["Net revenues"]["April 27, 2018"]
answer = (net_revenues_2019 - net_revenues_2018) / net_revenues_2018 * 100.0