What is the percentage increase/decrease from 30 to 15?

percentage change calculator

The answer: the change from 30 to 15 = -50% decrease

What is the percentage increase /decrease from V1 to V2 ?

Input fields
Output fields %

Formula:(( 15 - 30 )/30)× 100 = -50 %  

Percentage change from 30 to 15?

What's the percentage change from 30 to 15? Is it an increase or a decrease?. This is what we will clarify through the results and charts. As shown below. You can also calculate values other than (30, 15) by using the calculator above or using Percentage change increse/decrease calculator.


30 to 15 decrease in Charts


Solution: What is the percentage change from 30 to 15?

Firstly, to calculate the change from 30 to 15, we use the formula below.

Formula: (Y - X) / X × 100
  • X refers to the number whose change from it, in our example, it's 30.
  • Y refers to the number whose change to it, it's 15.
  • 100 It's 100% (One hundred percent).


Calculation steps

Step 1 = (15 - 30) / 30 × 100

First: we subtract 15 from 30 then divide the result by 30. Second: multiply the result by 100 (one hundred).


Step 2 = (-15) / 30 × 100

15 minus 30 equals -15 . After that, we divide -15 by 30.


Step 3 = -0.5 × 100

-15 divided by 30 equals -0.5 , the next step is multiply the result by 100


Step 4 = -50% decrease


The resultThe percentage change from 30 to 15? is -50% decrease.


Percentage change from 15 to 30?

What is the percentage increase /decrease from V1 to V2 ?

Input fields
Output fields %

Solution for What is the percentage change from 15 to 30:


Calculation steps

Step 1 = (30 - 15) / 15 × 100

We subtract 30 from 15 then divide the result by 15. Second: multiply the result by 100


Step 2 = (15) / 15 × 100

30 minus 15 equals 15 . After that, we divide 15 by 15.


Step 3 = 1 × 100

15 divided by 15 equals 1 , the next step is multiply the result by 100


Step 4 = 100% increase


The resultThe percentage change from 15 to 30? is 100% increase.



Related links to: Change from 30 to 15


decrease from 30 to 15 similar calculation

change from 30 to 15?= -50%
change from 31 to 15?= -51.61%
change from 32 to 15?= -53.13%
change from 33 to 15?= -54.55%
change from 34 to 15?= -55.88%
change from 35 to 15?= -57.14%
change from 36 to 15?= -58.33%
change from 37 to 15?= -59.46%
change from 38 to 15?= -60.53%
change from 39 to 15?= -61.54%
change from 30 to 16?= -46.67%
change from 30 to 17?= -43.33%
change from 30 to 18?= -40%
change from 30 to 19?= -36.67%
change from 30 to 20?= -33.33%
change from 30 to 21?= -30%
change from 30 to 22?= -26.67%
change from 30 to 23?= -23.33%
change from 30 to 24?= -20%
change from 30 to 25?= -16.67%
change from 40 to 25?= -37.5%
change from 50 to 35?= -30%
change from 60 to 45?= -25%
change from 70 to 55?= -21.43%
change from 80 to 65?= -18.75%
change from 90 to 75?= -16.67%
change from 100 to 85?= -15%
change from 110 to 95?= -13.64%
change from 120 to 105?= -12.5%
change from 130 to 115?= -11.54%