What was the percentage change in Total deferred tax benefit  from 2017 to 2018?
{"Geographic distribution of income (loss) from continuing operations before income taxes and equity in earnings of unconsolidated investees: -- U.S. loss": {"December 29, 2019": -84071, "December 30, 2018": -778316, "December 31, 2017": -1242000}, "Geographic distribution of income (loss) from continuing operations before income taxes and equity in earnings of unconsolidated investees: -- Non-U.S. income (loss)": {"December 29, 2019": 110040, "December 30, 2018": -120355, "December 31, 2017": 41250}, "Geographic distribution of income (loss) from continuing operations before income taxes and equity in earnings of unconsolidated investees: -- Income (loss) before income taxes and equity in earnings (loss) of unconsolidated investees": {"December 29, 2019": 25969, "December 30, 2018": -898671, "December 31, 2017": -1200750}, "Current tax (expense) benefit -- Federal": {"December 29, 2019": -328, "December 30, 2018": -1155, "December 31, 2017": 6816}, "Current tax (expense) benefit -- State": {"December 29, 2019": -370, "December 30, 2018": -553, "December 31, 2017": 6575}, "Current tax (expense) benefit -- Foreign": {"December 29, 2019": -24588, "December 30, 2018": -4100, "December 31, 2017": -12074}, "Current tax (expense) benefit -- Total current tax (expense) benefit": {"December 29, 2019": -25286, "December 30, 2018": -5808, "December 31, 2017": 1317}, "Deferred tax (expense) benefit -- Federal": {"December 29, 2019": -100, "December 30, 2018": "\u2014", "December 31, 2017": "\u2014"}, "Deferred tax (expense) benefit -- State": {"December 29, 2019": "\u2014", "December 30, 2018": "\u2014", "December 31, 2017": 1450}, "Deferred tax (expense) benefit -- Foreign": {"December 29, 2019": -1245, "December 30, 2018": 4798, "December 31, 2017": 1177}, "Deferred tax (expense) benefit -- Total deferred tax (expense) benefit": {"December 29, 2019": -1345, "December 30, 2018": 4798, "December 31, 2017": 2627}, "Deferred tax (expense) benefit -- (Provision for) benefit from income taxes": {"December 29, 2019": -26631, "December 30, 2018": -1010, "December 31, 2017": 3944}}
total_deferred_tax_benefit_2018 = df["Deferred tax (expense) benefit -- Foreign"]["December 30, 2018"]
total_deferred_tax_benefit_2017 = df["Deferred tax (expense) benefit -- Total deferred tax (expense) benefit"]["December 31, 2017"]
answer = (total_deferred_tax_benefit_2018 - total_deferred_tax_benefit_2017) / total_deferred_tax_benefit_2017 * 100.0