Help debt calculates automatically in LodgeiT.
Please check and confirm using this calculator, https://atotaxcalculator.com.au/help-debt
Note that the repayment income, which is the basis of the repayment rate, doesn't only include taxable income. Below is a snip from ATO portal for your reference: https://www.ato.gov.au/Rates/HELP,-TSL-and-SFSS-repayment-thresholds-and-rates/.
LodgeiT calculated by an algorithm we build. If the ATO calculation is different, please send us the following:
1. Printscreen of the aTO calculator result,
2. Copy of this tax form.