What was the percentage change in net revenue from 2017 to 2018?
{"Net revenue": {"2018": 464649, "2017": 367751}, "Cost of net revenue": {"2018": 372843, "2017": 279425}, "Gross profit": {"2018": 91806, "2017": 88326}, "Operating expenses: -- Research and development": {"2018": 48696, "2017": 22710}, "Operating expenses: -- Sales and marketing": {"2018": 39713, "2017": 19490}, "Operating expenses: -- General and administrative": {"2018": 17762, "2017": 691}, "Operating expenses: -- Separation expense": {"2018": 31583, "2017": 1384}, "Operating expenses: -- Litigation reserves, net": {"2018": "\u2014", "2017": 28}, "Operating expenses: -- Total operating expenses": {"2018": 137754, "2017": 44303}, "Operating expenses: -- Income (loss) from operations of discontinued operations": {"2018": -45948, "2017": 44023}, "Operating expenses: -- Interest income, net": {"2018": 1239, "2017": "\u2014"}, "Operating expenses: -- Other income (expense), net": {"2018": -41, "2017": 467}, "Operating expenses: -- Income (loss) from discontinued operations before income taxes": {"2018": -44750, "2017": 44490}, "Operating expenses: -- Provision (benefit) for income taxes": {"2018": -9095, "2017": 13921}, "Operating expenses: -- Income (loss) from discontinued operations, net of tax": {"2018": -35655, "2017": 30569}}
net_revenue_2018 = df["Net revenue"]["2018"]
net_revenue_2017 = df["Net revenue"]["2017"]
answer = (net_revenue_2018 - net_revenue_2017) / net_revenue_2017 * 100.0