pre_text: 6. Revenue continued Contract assets and liabilities recognised at 31 March 2019 are as follows: £1,216m of the contract liability recognised at 1 April 2018 was recognised as revenue during the year. Impairment losses of £36m were recognised on contract assets during the year. Other than business-as-usual movements there were no significant changes in contract asset and liability balances during the year.
table: 31 March 2019 1 April 2018
table: £m £m
table: Contract assets
table: Current 1,353 1,417
table: Non-current 249 198
table: 1,602 1,615
table: Contract liabilities
table: Current 1,225 1,406
table: Non-current 200 87
table: 1,425 1,493
question: Analyse this data from a financial earnings document. What is the change in Contract assets: Current from 31 March 2019 to 1 April 2018?