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Percent/Calculate the Percentage Fifties (4)
Percent increase and percent decrease are measures of percent change, which is the extent to which a variable gains or loses intensity, magnitude, extent, or value. The figures are arrived at by comparing the initial (or before) and final (or after) quantities according to a specific formula. It is assumed that both the initial and the final quantities are positive (larger than 0). Suppose a quantity has an initial value of x1, and then increases or decreases to a final value of x2. The percent change, D%, is calculated by finding the difference x2 - x1 (subtracting the initial value from the final value), then dividing the result of this subtraction by x1 (the initial value), and finally multiplying by 100. Expressed as a formula:
Last Updated: 5th Aug 2016
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