*A percentage scientific calculator is the best calculator that can easily calculate the percentage of any number easily and fully correct. Just put the value in the calculator and press calculate you can see your percentage in the answer. The calculation of percentage is very easy in this calculator we are trying to help you to find out different problems solution in just 1 second. This scientific calculator is different from any other calculator you can easily back-calculate the value and it calculate fully correct.*To calculate any manually the percentage then A percentage may be a fraction whose divisor (bottom) is a hundred. therefore if we are saying 500th, we tend to mean 50/100 = 1/2 (after canceling). therefore five hundredth means that ½. If wish to search out 100 percent of one thing, 'of' simply means that 'times'. therefore 100 percent of a hundred and fifty = 10/100 × 150 = 15.

If you have got to show a percentage into a decimal, simply divide by a hundred. for instance, twenty-fifth = 25/100 = 0.25. to alter a decimal into a percentage, multiply by a hundred. So 0.3 = 0.3 × a hundred =30% .

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**Example**

Find twenty-fifth of ten (remember 'of' means that 'times').

25/100 × 10

= 2.5

## Percentage change

% change = new value - original value × 100

**Example**

The price of some apples is increased from 48p to 67p. By what proportion % has the value increased by?

% change = 67 - 48 × 100

48

= 39.58%

## Percentage Error

% error = error × 100

real value

**Example**

Nicola measures the length of her textbook as 20cm. If the length is really seventeen.6cm, what's the share error in Nicola's calculation?

% error = 20 - 17.6 × 100 = 13.64%

17.6

Original value

Original value = New value × 100

100 + you convert

**Example**

Amish buys a stamp assortment and makes the thirty-fifth profit by commerce it for £2700. realize the price of the gathering. it's the first worth we tend to would like to search out, therefore the higher than formula is employed.

2700 × 100 = £2000

100 + 35

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