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So 25% of the new value is the newly-added 8. Therefore the original value is three times that, i.e. 24. This means that three 8s plus the other 8 - i.e. four 8s - equals 32.

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How do you determine the percent change?

You have an original value and a new value. Take the new value and subtract the original value. Then divide that number by the original value.


How do you find the percent of an increase or decrease?

% change is the % of increase or % of decrease. % change = (difference of the two values / the original value) x 100% =[(original value - new value)/original value] x 100% % increase -if the value increased % decrease -if the value decreased


How do you take 25 percent off money?

You take the original value times 0.25. That number is 25% of the original, so you take the original number minus that number.


What is percent of decrease or increase?

A percent of decrease (percentage decrease) is when a value is reduced by a percentage of its original amount. e.g. 100 decreased by 15 percent is 85. A percent of increase (percentage increase) is when a value in increased by a percentage of its original amount. e.g. 100 increased by 15 percent is 115.


What is the equation for percent change?

% change = |original value - new value|/original value * 100%


Do you use the same method to find the percent of decrease as to find a percent of increase?

Yes, the methods for finding both percent of decrease and percent of increase are similar. For both, you calculate the difference between the original value and the new value, then divide that difference by the original value. However, for percent of increase, you use the formula ((\text{New Value} - \text{Original Value}) / \text{Original Value} \times 100%), while for percent of decrease, you use ((\text{Original Value} - \text{New Value}) / \text{Original Value} \times 100%). The key difference lies in the direction of the change.


What is 70 percent off 225.00?

You would reduce the original number by 157.50... giving a value of 67.50


What Is The Percent When 56802 is increased by 416912?

% increase = 733.97% % increase =|increase|/original value * 100% = |416912|/56802 * 100% = 7.3397 * 100% = 733.97%


42 is increased to 72?

When 42 is increased to 72, the increase is calculated by subtracting the original number from the new number: 72 - 42 = 30. This means there is an increase of 30. In percentage terms, this increase represents approximately a 71.4% rise from the original value.


Formula for percent of increase and decrease?

% increase or decrease = |original value - new value| /original value * 100%


What is the meaning of a percentage increase that is greater than 100 percent?

An increase of more than 100% means the original value is increased by more than double.


How would you determine the percent increase in the cost of a cup of coffee if the price increased from 1.69 to 1.89?

%increase in the cost of coffee = 11.83%%increase=|original value - new value|/original value * 100%=|1.69 - 1.89|/1.69 * 100%=0.2/1.69 * 100%= 0.1183 * 100%= 11.83%