Question

How to calculate percentage to increase or decrease to compare two numbers in Node.js

Answer 1

function GetPercentageToIncreaseOrDecrease(num1, num2) {
    return (num2 - num1) / num1 * 100;
}
 
console.log("The percentage to increase from 25 to 100 is: " + GetPercentageToIncreaseOrDecrease(25, 100) + "%");
 
console.log("The percentage to increase from 22 to 34 is: " + GetPercentageToIncreaseOrDecrease(22, 34) + "%");
console.log("The percentage to increase from 22 to 34 is: " + GetPercentageToIncreaseOrDecrease(22, 34).toFixed(2) + "%");   
    
 
     
    
    
    
/*
run:
  
The percentage to increase from 25 to 100 is: 300%
The percentage to increase from 22 to 34 is: 54.54545454545454%
The percentage to increase from 22 to 34 is: 54.55%
 
*/
   

 

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Answer 2

function GetPercentageToIncreaseOrDecrease(num1, num2) {
    return (num2 - num1) / num1 * 100;
}
 
console.log("The percentage to decrease from 25 to 100 is: " + GetPercentageToIncreaseOrDecrease(100, 25) + "%");
 
console.log("The percentage to decrease from 34 to 22 is: " + GetPercentageToIncreaseOrDecrease(34, 22) + "%");
console.log("The percentage to decrease from 34 to 22 is: " + GetPercentageToIncreaseOrDecrease(34, 22).toFixed(2) + "%");   
    
 
     
    
    
    
/*
run:
  
The percentage to decrease from 25 to 100 is: -75%
The percentage to decrease from 34 to 22 is: -35.294117647058826%
The percentage to decrease from 34 to 22 is: -35.29%
 
*/

 

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