Child Support guideline percentages, based on the number of children. The following percentages are presumed to be appropriate under the Texas Family Code:

1 child 20% of the obligor’s net resources
2 children 25% of the obligor’s net resource
3 children 30% of the obligor’s net resources
4 children 35% of the obligor’s net resources
5 children 40% of the obligor’s net resources
6 or more children not less than 40% of the obligor’s net resources