What was the percentage change in the Relocation and exit costs between 2018 and 2019?
{"Personnel reduction costs": {"2019": 2823, "2018": 12587, "2017": 2214}, "Relocation and exit costs": {"2019": 5956, "2018": 2256, "2017": 3190}, "Restructuring charges": {"2019": 8779, "2018": 14843, "2017": 5404}}
relocation_and_exit_costs_2019 = df["Relocation and exit costs"]["2019"]
relocation_and_exit_costs_2018 = df["Relocation and exit costs"]["2018"]
answer = ( relocation_and_exit_costs_2019 - relocation_and_exit_costs_2018 ) / relocation_and_exit_costs_2018 * 100.0