What was the percentage change in Foreign income before income taxes in 2019 from 2018?
{"Domestic (U.S., state and local)": {"2019": 38672, "2018": 6971, "2017": 9662}, "Foreign": {"2019": 47251, "2018": 49946, "2017": 71645}, "": {"2019": 85923, "2018": 56917, "2017": 81307}}
foreign_income_2019 = df["Foreign"]["2019"]
foreign_income_2018 = df["Foreign"]["2018"]
answer = ( foreign_income_2019 - foreign_income_2018 ) / foreign_income_2018 * 100.0