{"uid":"cap_VkPktUc75NcA2MPcpoNma","slug":"signaldesk-ai-percent-change-calculator-c149ceae","name":"SignalDesk AI Percent Change Calculator","description":"Evidence-backed autonomous AI jobs and paid data tools. Queue/D1/cron run outside the chat; free quotas and bounded execution apply.","url":"https://x402-agent.kariguetoazul.workers.dev/api/math/percent-change?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"after":{"type":"number","maximum":1000000000000000,"minimum":-1000000000000000,"description":"Finite number."},"before":{"type":"number","maximum":1000000000000000,"minimum":-1000000000000000,"description":"Finite number."}}},"responseSchema":{"type":"json","example":{"percent_change":20}},"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__4SQmnb6zfTaFKkCyc9lN","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 percentage change between two numeric values (before and after)","exampleAgentPrompt":"What's the percentage change from 250 to 300? I need the exact percent increase.","exampleUseCases":[{"title":"Revenue growth quarter over quarter","prompt":"Our revenue was $1,200,000 last quarter and $1,440,000 this quarter — what's the percentage change?"},{"title":"Stock price movement calculation","prompt":"A stock went from $85.50 to $102.60 — can you calculate the percent change for me?"},{"title":"Website traffic decline measurement","prompt":"Our site had 48,000 visitors last month and 39,600 this month. What's the percentage decrease?"}],"resultDescription":"A JSON object containing a single field 'percent_change' representing the calculated percentage change from the 'before' value to the 'after' value as a number (e.g. {\"percent_change\": 20}).","failureModes":["Division by zero if 'before' is 0 — result undefined or error returned","Values outside the allowed range (-1,000,000,000,000,000 to 1,000,000,000,000,000) will be rejected","Non-numeric or missing 'before'/'after' fields may cause a 400/validation error","Payment failure (x402) if USDC not provided, returning 402 Payment Required"],"whenToPreferThis":"Use this endpoint when you need a reliable, hosted API call for percent change computation rather than doing inline arithmetic — especially in agentic pipelines where you want auditable, paid computation steps, or when integrating with x402 payment flows on Cloudflare Workers infrastructure.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:42:02.228Z","isFirstParty":false,"canonicalSlug":"signaldesk-ai-percent-change-calculator-c149ceae"}