Here's an article link with a nice comparison table and some discussion for the comparison of the two tax years 2021 vs 2022.

https://www.taxoutreach.org/blog/why-is-my-tax-refund-smaller-this-year/

Here is IRS 2021, specifically:

https://www.irs.gov/newsroom/changes-to-the-earned-income-tax-credit-for-the-2022-filing-season

Here's the link for the interactive wizard for EITC:

https://www.irs.gov/credits-deductions/individuals/earned-income-tax-credit/use-the-eitc-assistant

Since you mention children, here's a nice article for CTC:

https://www.taxact.com/tax-information/2022-tax-changes

"received president recovery rebate"

Stimulus funds as economic impact payment. The president didn't provide this or fund this.