What is the percentage change in the unrecognized tax benefits, beginning of the year between 2017 and 2018?
{"Unrecognized tax benefits, beginning of the year": {"2019": 6029, "2018": 3004, "2017": 2460}, "Increases related to prior year tax position": {"2019": "\u2014", "2018": 1050, "2017": "\u2014"}, "Decreases related to prior year tax positions": {"2019": -48, "2018": "\u2014", "2017": -3}, "Increases related to current year tax positions": {"2019": 2984, "2018": 1975, "2017": 547}, "Unrecognized tax benefits, end of year": {"2019": 8965, "2018": 6029, "2017": 3004}}
unrecognized_tax_benefits_2018 = df["Unrecognized tax benefits, beginning of the year"]["2018"]
unrecognized_tax_benefits_2017 = df["Unrecognized tax benefits, beginning of the year"]["2017"]
answer = (unrecognized_tax_benefits_2018 - unrecognized_tax_benefits_2017) / unrecognized_tax_benefits_2017 * 100.0