12 lines
332 B
JavaScript
12 lines
332 B
JavaScript
export default function increaseOrDecrease(currentValue, startingValue) {
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if (startingValue === 0) {
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return null
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}
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if (currentValue > startingValue) {
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return ((currentValue - startingValue) / Math.abs(startingValue)) * 100
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} else {
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return ((startingValue - currentValue) / Math.abs(startingValue)) * -100
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}
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}
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