What was the percentage change in the total income tax expense between 2018 and 2019?
{"Current: -- Domesticfederal": {"2019": -23675, "2018": 69080, "2017": 2436}, "Current: -- Domesticstate": {"2019": 1383, "2018": 134, "2017": 12}, "Current: -- Foreign": {"2019": 175993, "2018": 178790, "2017": 188872}, "Current: -- Total current": {"2019": 153701, "2018": 248004, "2017": 191320}, "Deferred: -- Domesticfederal": {"2019": -8000, "2018": -24342, "2017": 253}, "Deferred: -- Domesticstate": {"2019": -2202, "2018": 93, "2017": 30}, "Deferred: -- Foreign": {"2019": 17731, "2018": 62105, "2017": -62537}, "Deferred: -- Total deferred": {"2019": 7529, "2018": 37856, "2017": -62254}, "Deferred: -- Total income tax expense": {"2019": 161230, "2018": 285860, "2017": 129066}}
total_income_tax_expense_2019 = df["Deferred: -- Total income tax expense"]["2019"]
total_income_tax_expense_2018 = df["Deferred: -- Total income tax expense"]["2018"]
answer = (total_income_tax_expense_2019 - total_income_tax_expense_2018) / total_income_tax_expense_2018 * 100.0