百分比变化计算器
Enter any two values and get the signed percentage change between them. Positive results mean an increase, negative results a decrease — the sign is always shown next to the number.
计算示例
80 → 100: ((100 − 80) ÷ 80) × 100 = +25%
如何计算
- Enter the original (starting) value.
- Enter the new (final) value.
- Read the signed percentage change — plus means up, minus means down.
公式
Percentage Change = ((New − Original) ÷ |Original|) × 100
说明
- Stock and crypto price movements between two dates.
- Any before/after comparison where the direction matters.
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常见问题
What is the difference between percentage change, increase and decrease?
They use the same formula. Percentage change reports the signed result, while increase/decrease calculators present the magnitude for a rising or falling value.
Can percentage change exceed 100%?
Yes. A value that doubles increases by 100%; one that triples increases by 200%. Decreases, however, can never fall below −100% relative to the original.