What was the percentage change in the total amount of property and equipment between 2018 and 2019?
{"U.S.": {"April 26, 2019": 572, "April 27, 2018": 566}, "International": {"April 26, 2019": 187, "April 27, 2018": 190}, "Total": {"April 26, 2019": 759, "April 27, 2018": 756}}
total_2019 = df["Total"]["April 26, 2019"]
total_2018 = df["Total"]["April 27, 2018"]
answer = (total_2019 - total_2018) / total_2018 * 100.0