Question 960315
The FRACTION of the decrease is:
( yesterday's price minus today's price ) / ( yesterday's price )
{{{ ( 105 - 63 ) / 105 }}}
{{{ 42 / 105 }}}
{{{ 6 / 15 }}}
{{{ 2/5 }}}
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The % of the decrease is:
{{{ ( 2/5 )*100 }}}
{{{ 200/5 }}}
{{{ 40 }}} 
40%