Question 1175664
<pre>
Maybe you can memorize it this way:

{{{matrix(1,3,
(matrix(2,1,PERCENTAGE,GAIN)),
""="",
((matrix(3,1,"",DOLLAR,GAIN)))/((matrix(3,1,OLD,DOLLAR,AMOUNT)))))}}}{{{""*""}}}{{{"100%"}}}

where {{{(matrix(3,1,"",DOLLAR,GAIN))}}}{{{""=""}}}{{{(matrix(3,1,NEW,DOLLAR,AMOUNT))}}}{{{""-""}}}{{{(matrix(3,1,OLD,DOLLAR,AMOUNT))}}}

Edwin</pre>