What is the percentage change in the outstanding shares under the Save As You Earn Scheme from 1 January 2019 to 31 December 2019?
{"Share Option Schemes": {"Note": "A", "Outstanding 1 January 2019": 7938601, "Granted during the year": "\u2013", "Exercised during the year": "\u2013", "Expired/forfeited during the year": -801528, "Outstanding 31 December 2019": 7137073, "Exercisable 31 December 2019": 5687073}, "Performance Share Plan1": {"Note": "B", "Outstanding 1 January 2019": 7008260, "Granted during the year": 3734410, "Exercised during the year": "\u2013", "Expired/forfeited during the year": -2228278, "Outstanding 31 December 2019": 8514392, "Exercisable 31 December 2019": "n/a"}, "Bonus Share Scheme": {"Note": "C", "Outstanding 1 January 2019": 1827366, "Granted during the year": 556840, "Exercised during the year": -9965031, "Expired/forfeited during the year": -16632, "Outstanding 31 December 2019": 1371071, "Exercisable 31 December 2019": "n/a"}, "Share Incentive Plan2": {"Note": "D", "Outstanding 1 January 2019": 243127, "Granted during the year": 88027, "Exercised during the year": -411161, "Expired/forfeited during the year": -80736, "Outstanding 31 December 2019": 209302, "Exercisable 31 December 2019": "n/a"}, "Save As You Earn Scheme": {"Note": "E", "Outstanding 1 January 2019": 219136, "Granted during the year": 448368, "Exercised during the year": "\u2013", "Expired/forfeited during the year": -121172, "Outstanding 31 December 2019": 546332, "Exercisable 31 December 2019": 60443}, "Joint Share Ownership Plan": {"Note": "F", "Outstanding 1 January 2019": 4345305, "Granted during the year": "\u2013", "Exercised during the year": "\u2013", "Expired/forfeited during the year": -1382972, "Outstanding 31 December 2019": 2962333, "Exercisable 31 December 2019": 2962333}}
outstanding_2019 = df["Save As You Earn Scheme"]["Outstanding 31 December 2019"]
outstanding_2018 = df["Save As You Earn Scheme"]["Outstanding 1 January 2019"]
answer = (outstanding_2019 - outstanding_2018) / outstanding_2018 * 100.0