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Percent Increase/Decrease Calculator
x402
Percent Increase/Decrease Calculator is a paid API for AI agents from x402.forgemesh.io, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-15).
Calculates percent increase, percent decrease, percent change, or what percent one number is of another, returning exact results.
Price / call$0.001
Success—
StatusUnknown
How this service works
Calculate a percent increase or decrease applied to a number, or the percent change between an old and new value, with exact results every time. For sales and pricing agents, budget variance tracking, and any tool comparing before-and-after figures without approximation.
Output
An exact numeric result representing the computed percentage — such as the percent increase, decrease, change, or the percentage that one value is of another — based on the operation and inputs provided.
Example use cases
Example prompt
“What's the percent increase from 240 to 315? Use the 'increase' operation with a=240 and b=315.”
Technical details
Endpoint
POSThttps://x402.forgemesh.io/percent-increase-decreaseWhen to prefer
Use this endpoint when you need exact, reliable percentage computations — particularly for sales price comparisons, budget variance tracking, discount calculations, or any before-and-after analysis where approximation is unacceptable. Prefer this over in-context LLM math for guaranteed precision.
Side effects
- Missing or invalid 'a' or 'b' parameters — returns error
- Invalid 'operation' value not in the allowed enum (of, is_what_percent, change, increase, decrease) — returns error
- Division by zero if base value 'a' is zero for certain operations
- Non-numeric string values for 'a' or 'b' — parsing error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| a | string | |
| b | string | |
| operation | string | of | is_what_percent | change | increase | decrease |
Output
Schema · Response
{
"type": "json",
"example": {
"result": "25 %",
"operation": "% change 80 → 100"
}
}Tags
x402
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