What was the 2019 percentage change in total employee benefits liability?
{"": {"2019": 0, "2018": 0}, "Current employee benefits1": {"2019": 13859, "2018": 12710}, "Non-current employee benefits2": {"2019": 189, "2018": 675}, "Total employee benefits liability": {"2019": 14048, "2018": 13385}}
total_employee_benefits_liability_2019 = df["Total employee benefits liability"]["2019"]
total_employee_benefits_liability_2018 = df["Total employee benefits liability"]["2018"]
answer = ( total_employee_benefits_liability_2019 - total_employee_benefits_liability_2018 ) / total_employee_benefits_liability_2018 * 100.0