Question

How do you find the percent change given the original number is 25 and new number is 28?

Answer 1

`12%" increase"`

Explanation:

`"to calculate "color(blue)"percentage increase/decrease"`

`color(red)(bar(ul(|color(white)(2/2)color(black)(%" change "=("increase/decrease")/"original "xx100%)color(white)(2/2)|)))`

`"here the increase "=28-25=3`

`"and the original "=25`

`rArr%" change "=3/25xx100%`

`color(white)(rArrpercent chang)=3/cancel(25)^1xxcancel(100)^4%`

`color(white)(rArrpercent chang)=12%" increase"`

Answer 2

Percent change is
`12%`

Explanation:

Percent change is `(28-25)/25*100% =(3*4)%=12%` [Ans]

Answer 3

`12%` increase

Explanation:

To find a percent change, write a fraction using the amount of change and the original value.

`% "change" = "Fraction" xx100%`

Change is `25 to 28` the actual difference is `28-25 = 3`

`3/25 xx 100%`

`= 12%`