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Prosentkalkulator: beregn prosent av et tall, finn hvor mange prosent en verdi er av en annen, beregn prosentvis endring og prosentvis forskjell.
$$A = \frac{X\% \times B}{100}$$
$$A = \frac{X\%\times B}{100}$$
$$X\% = \frac{A}{B} \times 100$$
$$X = \frac{A}{B}\times100$$
$$B = \frac{A \times 100}{X\%}$$
$$B = \frac{A\times100}{X\%}$$
$$A = \frac{B \times 100}{100 + X\%}$$
$$A = \frac{B\times100}{100+X\%}$$
$$X\% = \frac{B - A}{A} \times 100$$
$$X = \frac{B-A}{A}\times100$$
$$B = A + \frac{X\% \times A}{100}$$
$$B = A + \frac{X\%\times A}{100}$$
$$A = \frac{B \times 100}{100 - X\%}$$
$$A = \frac{B\times100}{100-X\%}$$
$$X\% = \frac{A - B}{A} \times 100$$
$$X = \frac{A-B}{A}\times100$$
$$B = A - \frac{X\% \times A}{100}$$
$$B = A - \frac{X\%\times A}{100}$$
$$X\% = \frac{|A - B|}{\left(\frac{A + B}{2}\right)} \times 100$$
$$X = \frac{|A-B|}{(A+B)/2}\times100$$
