What is the percentage change in provisions (benefit) for state and local income taxes between 2018 and 2019?
{"Current: -- Federal": {"2019": -27, "2018": -13}, "Current: -- State and local": {"2019": 276, "2018": 249}, "Current: -- Total current": {"2019": 249, "2018": 236}, "Current: -- Deferred": {"2019": 533, "2018": -461}, "Current: -- Provision (benefit) for income taxes": {"2019": 782, "2018": -225}}
state_local_2019 = df["Current: -- State and local"]["2019"]
state_local_2018 = df["Current: -- State and local"]["2018"]
answer = (state_local_2019 - state_local_2018) / state_local_2018 * 100.0