What was the percentage change in accrued expenses between 2018 and 2019?
{"": {"As of December 31,": 2019, "": 2018}, "Deferred tax assets: -- Allowance for sales returns and price protection": {"As of December 31,": 19, "": 25}, "Deferred tax assets: -- Accrued expenses": {"As of December 31,": 28, "": 26}, "Deferred tax assets: -- Deferred revenue": {"As of December 31,": 119, "": 136}, "Deferred tax assets: -- Tax attributes carryforwards": {"As of December 31,": 93, "": 81}, "Deferred tax assets: -- Share-based compensation": {"As of December 31,": 54, "": 69}, "Deferred tax assets: -- Intangibles": {"As of December 31,": 1289, "": 43}, "Deferred tax assets: -- U.S. deferred taxes on foreign earnings": {"As of December 31,": "\u2014", "": 318}, "Deferred tax assets: -- Capitalized software development expenses": {"As of December 31,": 67, "": "\u2014"}, "Deferred tax assets: -- Other": {"As of December 31,": 109, "": 28}, "Deferred tax assets: -- Deferred tax assets": {"As of December 31,": 1778, "": 726}, "Deferred tax assets: -- Valuation allowance": {"As of December 31,": -181, "": -61}, "Deferred tax assets: -- Deferred tax assets, net of valuation allowance": {"As of December 31,": 1597, "": 665}, "Deferred tax liabilities: -- Intangibles": {"As of December 31,": -142, "": -140}, "Deferred tax liabilities: -- Capitalized software development expenses": {"As of December 31,": "\u2014", "": -57}, "Deferred tax liabilities: -- U.S. deferred taxes on foreign earnings": {"As of December 31,": -594, "": "\u2014"}, "Deferred tax liabilities: -- Other": {"As of December 31,": -73, "": -26}, "Deferred tax liabilities: -- Deferred tax liabilities": {"As of December 31,": -809, "": -223}, "Deferred tax liabilities: -- Net deferred tax assets": {"As of December 31,": 788, "": 442}}
accrued_expenses_2019 = df["Deferred tax assets: -- Accrued expenses"]["As of December 31,"]
accrued_expenses_2018 = df["Deferred tax assets: -- Accrued expenses"][""]
answer = (accrued_expenses_2019 - accrued_expenses_2018) / accrued_expenses_2018 * 100.0