You can review your bank transactions and PST report to identify any missing or mismatched entries causing the discrepancy, info2197.
Based on the breakdown of the $2,500 you received, please review how the transaction was recorded in QuickBooks. If available, attach a screenshot of the transaction details for clarity.
Note that tips, fees, and non-taxable items may be excluded from the total sales if the tax setting is set to Exclusive of Tax. To ensure the invoice total matches your payment records, set the tax setting to Inclusive of Tax.
See the screenshot below for reference:

This adjustment aligns the deductions and ensures the recorded amount matches the $2,500 net pay on your QuickBooks and bank statement.
You can read these guides to learn more about how to reconcile your accounts in QuickBooks Online: Reconcile an account in QuickBooks Online.
If you need help with your bank transactions, leave a comment below.