What is the percentage change in total deferred tax assets from 2018 to 2019?
{"Deferred tax assets: -- Reserves and accrued expenses": {"2019": 175.2, "2018": 156.5}, "Deferred tax assets: -- Inventories": {"2019": 4.3, "2018": 4.5}, "Deferred tax assets: -- Net operating loss carryforwards": {"2019": 111.2, "2018": 67.9}, "Deferred tax assets: -- R&D credits": {"2019": 4.1, "2018": 6.1}, "Deferred tax assets: -- Valuation allowance": {"2019": -36.3, "2018": -26.4}, "Deferred tax assets: -- Outside basis difference on investments held for sale": {"2019": "\u2014", "2018": 2.7}, "Deferred tax assets: -- Lease liability1": {"2019": 64.0, "2018": "\u2014"}, "Deferred tax assets: -- Total deferred tax assets": {"2019": 322.5, "2018": 211.3}, "Deferred tax liabilities: -- Reserves and accrued expenses": {"2019": 15.5, "2018": 14.3}, "Deferred tax liabilities: -- Amortizable intangible assets": {"2019": 1229.9, "2018": 1043.0}, "Deferred tax liabilities: -- Plant and equipment": {"2019": 10.8, "2018": 6.6}, "Deferred tax liabilities: -- Accrued tax on unremitted foreign earnings": {"2019": 17.1, "2018": 16.3}, "Deferred tax liabilities: -- Outside basis difference on investments held for sale": {"2019": "\u2014", "2018": 10.0}, "Deferred tax liabilities: -- ROU asset1": {"2019": 61.7, "2018": "\u2014"}, "Deferred tax liabilities: -- Total deferred tax liabilities": {"2019": 1335.0, "2018": 1090.2}}
total_deferred_tax_assets_2019 = df["Deferred tax assets: -- Total deferred tax assets"]["2019"]
total_deferred_tax_assets_2018 = df["Deferred tax assets: -- Total deferred tax assets"]["2018"]
answer = (total_deferred_tax_assets_2019 - total_deferred_tax_assets_2018) / total_deferred_tax_assets_2018 * 100.0