If you go by the "paper of record", you are both wrong. But, as expected, Caren is on the wrong side of "50%". According to my calculations, based on the New York Times article and discounting candidates indicated as running unopposed, President Trump overall was +4 in endorsed candidates winning their primary against an opponent.

https://www.nytimes.com/2022/09/13/us/politics/trump-endorsement-primaries.html