pre_text: 16. Earnings Per Share The weighted-average number of shares outstanding used in the computations of basic and diluted earnings per share were as follows:
table: Fiscal
table: 2019 2018 2017
table: (in millions)
table: Basic 338 350 355
table: Dilutive impact of share-based compensation arrangements 2 3 3
table: Diluted 340 353 358
question: Analyse this data from a financial earnings document. What was the change in Dilutive impact of share-based compensation arrangements in 2019 from 2018?