2017
£m
2016
£m
Current tax
UK corporation tax54.053.3
Adjustments in respect of prior years(22.5)(9.0)
Total current tax charge for the year31.544.3
Deferred tax
Current year28.218.6
Adjustments in respect of prior years7.05.6
35.224.2
Change in tax rate(58.2)(112.5)
Total deferred tax credit for the year(23.0)(88.3)
Total tax charge/(credit) for the year8.5(44.0)

The deferred tax credit of £58.2 million (2016: £112.5 million) reflects the enacted reduction in the headline rate of corporation tax to 17 per cent from 1 April 2020 (2016: 20 per cent to 18 per cent from 1 April 2020). The adjustments in respect of prior years relates to agreement with the tax authorities of prior years' UK tax matters; the current year figure also includes the release of a current tax provision in relation to agreed historic overseas tax matters.

The table below reconciles the notional tax charge at the UK corporation tax rate to the effective tax rate for the year:

2017
£m
2017
%
2016
£m
2016
%
Profit before tax442.4353.5
Tax at the UK corporation tax rate88.520.070.720.0
Adjustments in respect of prior years(15.5)(3.5)(3.4)(1.0)
Change in tax rate(58.2)(13.2)(112.5)(31.8)
Net (income)/expense not taxable/other(6.3)(1.4)1.20.3
Total tax charge/(credit) and effective tax rate for the year8.51.9(44.0)(12.5)
Tax on items taken directly to equity2017
£m
2016
£m
Current tax
Relating to other pension movements(9.8)
(9.8)
Deferred tax (see note 19)
On remeasurement (losses)/gains on defined benefit pension schemes(13.8)32.0
Relating to other pension movements8.8
Change in tax rate(2.5)(5.5)
(7.5)26.5
Total tax (credit)/charge on items taken directly to equity(17.3)26.5

The deferred tax credit of £2.5 million (2016: £5.5 million) reflects the enacted reduction in the headline rate of corporation tax to 17 per cent from 1 April 2020 (2016: 20 per cent to 18 per cent from 1 April 2020).