Question

Danny earned $20,000 last year. This year he earned $12,000. what is the percentage difference.​

Answer 1

Answer: -40%

Step-by-step explanation:

$\mathrm{Based \ on \ the \ given \ conditions: (12000-20000) \div 20000 \\}Calculate the sum or difference: \frac{-8000}{20000} \\Determine the sign: -\frac{8000}{20000} \\Cross out the common factor: -\frac{2}{5}$

$\mathrm{Multiply \ a \ number \ to \ both \ the \ numerator \ and \ the \ denominator:} -\frac{2}{5} \times \frac{20}{20}$

$\mathrm{Write \ as \ a \ single \ fraction:} -\frac{2 \times 20}{5 \times 20} \\\mathrm{Calculate \ the \ product \ or \ quotient:}-\frac{40}{100} \\\mathrm{Rewrite \ a \ fraction \ with \ denominator \ equals \ 100 \ to \ a \ percentage:} -40 \%$

Answer 2

Subtract to find the amount of the difference:

20,000 - 12,000 = 8,000

divide tha amount of the difference by last years pay:

8,000/ 20,000 = 0.6666

0.666 x 100 = 66.7%