{"uid":"cap_OD_d1zMxqtfgrvIJHJM1u","slug":"pennyrail-percent-change-computation-48f5d45a","name":"PennyRail Percent Change Computation","description":"Machine-readable settlement service","url":"https://pennyrail.vercel.app/api/p/nano/number.percent-change--percent-change?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","required":["input"],"properties":{"input":{"type":"object"}}},"responseSchema":{"type":"object","additionalProperties":true},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_U7PfgG8cL529x4QGOqdF3","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes the percent change between two numeric values, returning the relative difference as a percentage","exampleAgentPrompt":"Can you calculate the percent change from 250 to 315 for me?","exampleUseCases":[{"title":"Monthly revenue growth calculation","prompt":"My revenue was $82,000 last month and $96,500 this month — what's the percent change?"},{"title":"Stock price movement analysis","prompt":"A stock went from $142.30 to $118.75 — can you tell me the percent change so I know how much it dropped?"},{"title":"Website traffic comparison","prompt":"We had 14,200 visitors in January and 17,850 in February — what's the percentage increase in traffic?"}],"resultDescription":"Returns a computed percent change value (as a number or percentage) representing the relative difference between the input baseline and comparison values, typically expressed as a signed percentage indicating increase or decrease.","failureModes":["Missing required 'input' object results in a 400/422 validation error","Division by zero if baseline value is 0 or absent","Non-numeric input values may cause computation failure or unexpected results","Malformed JSON body returns error response","Payment not included or insufficient USDC results in 402 Payment Required"],"whenToPreferThis":"Choose this endpoint when you need a lightweight, pay-per-call computation of percent change without spinning up your own math logic or hosting infrastructure. Ideal for agents that occasionally need a percent-change figure as part of a larger workflow and want a simple, stateless numeric transformation. Suitable for finance, analytics, or reporting pipelines where you need to compute relative differences on demand.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T12:39:06.186Z","isFirstParty":false,"canonicalSlug":"pennyrail-percent-change-computation-48f5d45a"}