Hello lwiltenb,
I can see the importance of being able to split by percentage in QuickBooks Self-Employed. The app is designed to help streamline your work so you can keep transactions with ease. I'll be happy to help you give you a hand so you can get back to doing what you love.
Based on what you've described, I'd recommend contacting our Self-Employed support team so they can help take a look at your account. You can contact our Self-Employed team by clicking this link here. One of our specialists will be happy to take a look at your account and help you get back on track ASAP.
In the meantime, feel free to ask other questions, I'm here to help you achieve your QuickBooks goals.
