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Q: What is the original amount of a number when the new amount is 210 and has a 75 percent increase?

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If you multiply a number by 1.25 the answer will be the original amount plus 25% of the original amount. This is quicker and easier than figuring 25% and then adding.

If 8 is increased to 12, the increase is what percentage of the original number?

You can't get a percent increase if the original number is 0. Anything that you divide by 0 is 0.

It is a percentage change - unless the increase changes a negative number to a positive number or a decrease does the opposite.

percent increase and decrease is how much percent it had increased from a certain amount of number, like discounts and markups

Ram : The amount of increase is the new value after growth less the original amount before the growth. The percent growth is the amount of increase times 100% divided by the original amount. As an example, let's say the number of employee in a company grows from 800 one year to 896 the next. First, subtract: 896 - 800 = 96. This is the increase. Next, divide by the original amount: 96(100%) / 800 = 12%. This is the percent increase.

I think you subtract the new amount from the original amount and then move the decimal over twice to the right of the number and that's your percent. :)

First you subtract the new number from the original number then divide it by the original number and multiply that by 100 original-new __________*100 original

You multiply the percent ( so 40% = .4) by the number then add the product to the original number.

580

Move the decimal point one number to the left and add your new number to the original.

The final result is 10.4% more than the original number.

thats a bit of a mouthful...

The increase is 88 - 2 or 86. The percentage increase is 100 times this number divided by the original value, or 100(86/2) or 4300 %.

The average growth rate of employees in a company is 30 percent. Each company can figure out their own growth rate by subtracting the original amount of employees from the new amount, multiplying that number by 100 percent and then dividing the sum by the original amount.

To increase a number by a certain percent, multiply it by (1 + n/100). For example, to increase a number by 15 percent, multiply it by (1 + 15/100), or 1.15. To decrease a number by 15 percent, multiply it by (1 - 15/100), or 0.85.

to calculate the percent increase . first = 25 - 10 = difference between the two numbers = 15 then divide this differnece by the original starting number (which is 10)= 15 divided by 10 = 1.5 to make this a percent increase multiply by 100 . so you result is 1.5 x 100 = 150% to summarise: ((final number- starting number) / starting number) x 100 = percent increase

There will be an overall increase in the first number.

4.5 percent of the original number.

To increase a number by 15 percent, multiply the number by 1.15. For example, 60 plus 15 percent is equal to 60 x 1.15 = 69.

If your question is asking: "What number can be divided by (3 percentages that equal 100%), then the answer is: "Any number divided by 100% equals the original number. For example: 100 / (40%+30%+30%)= 100/100% = 100/1 = 100

84 % increase

$85 is the annual increase and this is a 15% raise.85 = 20% Therefor 100% = 85/20*100 = $425.00

Percent increase is ((new number divided by original number) -1) x 100 In your case 150/50 - 1 = 2 x 100 = 200% Let me clarify above in algebra: Let X = the original number and Y the new number, and the increase is Z Then X + ZX = Y ZX = Y-X Z = (Y-X)/X = Y/X -1 PERCENT INCREASE = 100Z

Let's set this equation up. Call the original number No and the number you have N and the percentage increase P. The equation to get the number you have ( N ) is No + No x P = N and we want to solve for No so No ( 1 + P ) = N No = N / ( 1 + P )