Child support is calculated on the earnings of the parents, not the individuals that they live with. The fact that both of you have another person that pays all or a portion of the household bills simply goes toward the information included in the affidavit of financial information. Base your calculations for support on your wages and expenses that you pay directly.
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You failed to state what your respective income levels are which is critical to answering your post.
Please note that this answer does not constitute legal advice, and should not be relied on, as each situation is fact specific, and it is not possible to evaluate a legal problem without a comprehensive consultation and review of all the facts and court pleadings filed in the case. This answer does not create an attorney-client relationship.
You have to pay child support at least until you have your child support order modified. Support orders do not go away automatically once the custody arrangement has changed. It appears that the support would be reduced and could go away based on what you stated. However, the actual numbers would be needed to calculate the current amount of support.
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