Percent Increase and Decrease
SSAT Middle Level · Flashcards · Recall
SSAT MIDDLE LEVEL · FLASHCARDS
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QUESTION
State the formula for the percent change from an original value
O
O
O
to a new value
N
N
N
.
QUESTION
What is the multiplier for increasing a value by
r
%
r\%
r
%
?
QUESTION
State the formula for the new value after a percent decrease of
r
%
r\%
r
%
from original
O
O
O
.
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ANSWER
N
=
O
(
1
−
r
100
)
N=O\left(1-\frac{r}{100}\right)
N
=
O
(
1
−
100
r
)
. The formula applies the decrease multiplier to the original value to find the new amount.
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