They didn’t need to work it out I because it says it in the annual accounts
Transaction revenue for the financial year ended 30 September 2021 was £9,408,000 (2020: £1,323,000), which represented 74% (2020: 80%) of total revenue.
Recurring revenue for the financial year ended 30 September 2021 was £3,274,000 (2020: £338,000), which represented 26% (2020: 20%) of total revenue.
Should be interesting to see the new subscription plans in the summer.