Your child care expenses are limited to your earned income, or if you are filing jointly with your spouse, they are limited to the earned income of the lowest earner.

Without knowing details about your tax situation, it is not possible to specifically answer your question. Look at this TurboTax article to see if it helps: https://turbotax.intuit.com/tax-tips/family/the-ins-and-outs-of-the-child-and-dependent-care-tax-cre...

Make sure you have entered both children and the care providers information with the total amount paid to the care provider.  As you can see from the article, the percentage of total amount paid varies with your income amount.