balancing payment larger than tax owed. Has my return been recalculated somewhere??

from Current Position Tax year ending 05 Apr 2023 Balancing payment 31 Jan 2024 520.86 Total 520.86 From Tax Return / File a Return / View Your Calculation Total amount due for 2022-23 £233.04 Plus First payment on account for 2023-24 £0.00 Total to be added to Self Assessment account due by 31 January 2024 Help about: Tax Calculation Summary 01 £233.04 Second payment on account for 2023-24 will be due by 31 July 2024 £0.00

Hi philn,
To give you specific advice, we would need to take a look at your Self Assessment statement.
Please get in touch by webchat or phone viaSelf Assessment: general enquiries, and we can review your calculation.
Thank you.