var current = 12000;
var june = 14600;
var may = 11200;
I'm looking to calculate the percentage change compared to the 'current' month parameter. The result should be displayed in percentage and can either be an increase or decrease relative to the current month. Can anyone guide me on how to achieve this?
In the event that one of your values is zero, the outcome may be either -100% or Infinity%. Here is a solution to address this issue:
function calculatePercentageIncrease(x, y) {
let percentage;
if(y !== 0) {
if(x !== 0) {
percentage = (y - x) / x * 100;
} else {
percentage = y * 100;
}
} else {
percentage = -x * 100;
}
return Math.floor(percentage);
}
It's really just basic math:
var percentage = (currentMonth - juneMonth) / currentMonth * 100.0;
let percentDifference = (currentValue - previousValue) / previousValue * 100;
If the resulting answer is negative, it indicates a percentage increase; otherwise, it signifies a decrease.
Dealing with special cases, fluctuations in values, rounding, and percentages over 100% can be quite challenging.
function calculatePercentageChange(number1, number2){
return (((number2 - number1) / number1 * 100).toLocaleString('fullwide', {maximumFractionDigits:3}) + "%");
}
console.log(
" May: " , calculatePercentageChange(11200,12000) ,
"\nJune:" , calculatePercentageChange(14600,12000)
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