What was the percentage change in current employee benefits in 2018 and 2019?
{"": {"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}}
current_employee_benefits_2019 = df["Current employee benefits1"]["2019"]
current_employee_benefits_2018 = df["Current employee benefits1"]["2018"]
answer = (current_employee_benefits_2019 - current_employee_benefits_2018) / current_employee_benefits_2018 * 100.0