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Q.

What is the general formula for percentage increase?

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a

$\frac{O r i g i n a l v a l u e}{D e c r e a s e} * 100$

b

$\frac{O r i g i n a l v a l u e}{I n c r e a s e} * 100$

c

$\frac{D e c r e a s e}{O r i g i n a l v a l u e} * 100$

d

$\frac{I n c r e a s e}{O r i g i n a l v a l u e} * 100$

answer is A.

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Detailed Solution

Consider a book costs Rs.10 and it is increased to Rs.13

Increase in price = 13 – 10 = 3

Percentage increase = $\frac{3}{10} * 100$

Percentage Increase = $\frac{I n c r e a s e}{O r i g i n a l v a l u e} * 100$

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What is the general formula for percentage increase?