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> Solving Percent Problems Using the Percent Box < you are here
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The lower left square is marked “of/whole”. The upper right
square is
marked “percent”. Finally, the bottom right square is always
filled in with “100”.

After placing the numbers in the appropriate squares, cross-
multiply the numbers
in the two filled-in squares that are diagonal from each other.
Divide the answer
by the leftover number.
Percent Box
The percent box takes the mystery
out of finding where to put each of the
numbers in a percent problem.

The main box is divided into four
squares.
The upper left square is marked
“is/part”.
Percent Box
Finding the Part using the percent Box
Percent Box
Finding the percent using the percent Box
Finding the whole using the percent Box
Finding Percent of Increase OR Decrease
Percent Box
Related pages

Finding the percent of a
number
Examples: What  is 15% of 40? or
what is 35% of 120?

Finding the percent
Example: What percent of 45 is 8?

Finding percent of the whole
Example: What number is  30%
of 100%