The amount y (in grams) of the radioactive isotope phosphorus-32 remaining after t
days is y=a(0.5)t/14
y
=
a
(
0.5
)
t
/
14
, where a
a
is the initial amount (in grams). What percent of the phosphorus-32 decays each day? Round your answer to the nearest hundredth of a percent.