To use this feature, first, select the range you want to search, or select any cell to search the whole worksheet. The fastest method is to press F5 (or Ctrl+G) to open the Go To Dialog box, then ...
=LET (Spend,SUMIF (T_Budget [Category],E2,T_Budget [Cost]),IFS (Spend>F2,"Over budget",Spend=F2,"Budget hit",Spend> (F2*0.9), ...