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www.reference.com/article/calculate-percents-416eae85e528f2f2

Percents are calculated by dividing a number by 100. Percentages are written as a fraction or a decimal. When referring to percents, it is similar to saying "per 100."

www.reference.com/article/steps-calculating-percent-97dbd160472754a0

The steps to calculate a percent of a given number are first converting the percent to a decimal value by dividing it by 100, then multiplying the given number by that decimal value. The steps to calculate what percent one number is of another are to divide the first number by the second number, the

www.reference.com/article/calculate-percent-change-c61f1f6861c5ae73

The percentage of change can be calculated by using one of two formulas. The percentage of increase, or positive change, can be calculated as follows: increase ÷ original number × 100. The percentage of decrease, or negative change, can be calculated according to the following formula: decrease ÷ or

www.reference.com/article/figure-out-percent-basic-calculator-116d44aeb4859ff9

To calculate percentage, use the equation number/number = decimal *100 = percentage. On a calculator, type a number, followed by "/", another number, and then "=". A decimal appears on the screen. Multiply the decimal using the "x" and then type "100". The number on the screen is the percentage.

www.reference.com/science/calculate-percent-efficiency-f25278c1a81859c

Percent efficiency is calculated by determining the actual output and then dividing by the maximum possible output. The result is multiplied by 100 in order to move the decimal two places to the right.

www.reference.com/article/7-percent-sales-tax-calculated-df036a5b73688d01

To calculate a 7-percent sales tax, multiply the base price of the item by 0.07, states Basic-mathematics.com. Thus, tax on a $20 item would be equal to $2 times 0.07 or $1.40.

www.reference.com/world-view/percent-abundance-calculated-7c47f07466510342

Percent abundance can be calculated by finding the percentage of an isotope compared to another isotope of an element using its relative atomic mass. This is an algebraic process and depends upon several measurements.

www.reference.com/article/percent-105a6c51f612d018

Percent means per hundred. One percent is one part out of 100, where 100 is the whole. If a room contained 100 people then 1 percent would be one person.

www.reference.com/article/1-percent-e4919672b95610dd

The 1 Percent are American taxpayers whose annual incomes put them in the top percentile of earnings. This group of income earners was the target of protests and rallies during 2011 at the various Occupy movements.

www.reference.com/article/20-percent-100-3caa4ea33f3aad73

Twenty percent of 100 is 20. To calculate the percentage of a number, convert the percentage to a decimal number; move the decimal point two places to the left, and multiply by the number. The word percent means per 100.