pre_text: Applying the German group tax rate to the reported pre-tax result would result in an income tax expense of €216 million (2017/18: €176 million). The deviation of €81 million (2017/18: €40 million) from the reported tax expense of €298 million (2017/18: €216 million) can be reconciled as follows: 1 Adjustment of previous year according to explanation in notes. The item ‘effects of differing national tax rates’ includes a deferred tax revenue of €6 million (2017/18: €23 million) from tax rate changes. Tax expenses and income relating to other periods of the previous year include a repayment of approximately €20 million because of a retrospective change in foreign law in 2018. Tax holidays for the current year include effects from real estate transactions in the amount of €30 million (2017/18: €2 million).
table: € million 2017/2018 2018/2019
table: EBT (earnings before taxes) 576 709
table: Expected income tax expenses (30.53%) 176 216
table: Effects of differing national tax rates −58 −62
table: Tax expenses and income relating to other periods −21 −6
table: Non-deductible business expenses for tax purposes 41 51
table: Effects of not recognised or impaired deferred taxes 79 114
table: Additions and reductions for local taxes 11 13
table: Tax holidays −14 −39
table: Other deviations 3 5
table: Income tax expenses according to the income statement 216 298
table: Group tax rate 37.6% 42.0%
question: Analyse this data from a financial earnings document. What was the change in EBT in 2018/2019 from 2017/2018?