How can I make a "percentage Loop"?

Hello I'm just starting to work with matlab and i would like to well make a "Percentage loop". so for example is I typ: percentage(X) the program would do X*100+100, (X*100+100)*X+100,... Thanks for your help

Answer 1

[Matt J]

Hint - the update formula is

Y(i)=Y(i-1)*X+100