Three modes: final amount, profit, or rate. Compounding can be yearly/quarterly/monthly/daily. For reference only.
Simple interest profit:-
Compound interest profit:-
Difference (compound − simple):-
Simple annualized / CAGR:- / -
Turn a holding-period return into simple annualization and CAGR so investments with different durations can be compared. Annualization is a comparison scale, not a promise that you already earned a full-year return.