What is 20% of $60?

20% is 20/100 mutiplied by $60:

20% × $60 =

20100

× $60 = 0.2 × $60 = $12$12 is what percent of $60?

$12 is divided by $60 and multiplied by 100%:

$12$60

× 100% = 20%$12 is 20% of what?

$12 is divided by 20%:

$1220%

= $1220

× 100 = $60What is the percentage change from $40 to $50?

The difference between $50 and $40 is divided by $40 and multiplied by 100%:

$50 - $40$40

× 100% = 0.25 × 100% = 25%