What is the percentage increase/decrease from 18 to 9?

percentage change calculator

The answer: the change from 18 to 9 = -50% decrease

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

Input fields
Output fields %

Formula:(( 9 - 18 )/18)× 100 = -50 %  

Percentage change from 18 to 9?

What's the percentage change from 18 to 9? 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 (18, 9) by using the calculator above or using Percentage change increse/decrease calculator.


18 to 9 decrease in Charts


Solution: What is the percentage change from 18 to 9?

Firstly, to calculate the change from 18 to 9, we use the formula below.

Formula: (Y - X) / X × 100
  • X refers to the number whose change from it, in our example, it's 18.
  • Y refers to the number whose change to it, it's 9.
  • 100 It's 100% (One hundred percent).


Calculation steps

Step 1 = (9 - 18) / 18 × 100

First: we subtract 9 from 18 then divide the result by 18. Second: multiply the result by 100 (one hundred).


Step 2 = (-9) / 18 × 100

9 minus 18 equals -9 . After that, we divide -9 by 18.


Step 3 = -0.5 × 100

-9 divided by 18 equals -0.5 , the next step is multiply the result by 100


Step 4 = -50% decrease


The resultThe percentage change from 18 to 9? is -50% decrease.


Percentage change from 9 to 18?

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

Input fields
Output fields %

Solution for What is the percentage change from 9 to 18:


Calculation steps

Step 1 = (18 - 9) / 9 × 100

We subtract 18 from 9 then divide the result by 9. Second: multiply the result by 100


Step 2 = (9) / 9 × 100

18 minus 9 equals 9 . After that, we divide 9 by 9.


Step 3 = 1 × 100

9 divided by 9 equals 1 , the next step is multiply the result by 100


Step 4 = 100% increase


The resultThe percentage change from 9 to 18? is 100% increase.



Related links to: Change from 18 to 9


decrease from 18 to 9 similar calculation

change from 18 to 9?= -50%
change from 19 to 9?= -52.63%
change from 20 to 9?= -55%
change from 21 to 9?= -57.14%
change from 22 to 9?= -59.09%
change from 23 to 9?= -60.87%
change from 24 to 9?= -62.5%
change from 25 to 9?= -64%
change from 26 to 9?= -65.38%
change from 27 to 9?= -66.67%
change from 18 to 10?= -44.44%
change from 18 to 11?= -38.89%
change from 18 to 12?= -33.33%
change from 18 to 13?= -27.78%
change from 18 to 14?= -22.22%
change from 18 to 15?= -16.67%
change from 18 to 16?= -11.11%
change from 18 to 17?= -5.56%
change from 18 to 18?= 0%
change from 18 to 19?= 5.56%
change from 28 to 19?= -32.14%
change from 38 to 29?= -23.68%
change from 48 to 39?= -18.75%
change from 58 to 49?= -15.52%
change from 68 to 59?= -13.24%
change from 78 to 69?= -11.54%
change from 88 to 79?= -10.23%
change from 98 to 89?= -9.18%
change from 108 to 99?= -8.33%
change from 118 to 109?= -7.63%