Overview
Percentage Increase Calculator is a free, instant online tool that computes percentage changes between two values. It supports both increases and decreases, displays negative results in red, and allows users to enter any two of three fields (original value, new value, percentage change) with the third auto-calculating. It includes a Value + Percent mode, step-by-step formula display, and plain English results. Ideal for salary raises, price increases, stock growth, and property value changes.
Databerry is a business intelligence dashboard for founders that aggregates data from tools like Stripe, PostHog, Google Analytics, and Calendly into a single view. It offers real-time metrics, project-based organization, and read-only connections for security. Designed for teams using multiple services, it eliminates the need to switch between tabs.
Feature Comparison
| Feature | Percentage Increase Calculator | Databerry |
|---|---|---|
| Primary Function | Calculates percentage change between two values | Unified business dashboard aggregating data from multiple tools |
| Target Audience | General users, students, professionals needing quick percentage math | Founders, startup teams, product managers tracking business metrics |
| Input Method | Enter any two of three fields – auto-calculates the third | Connect via OAuth or API keys to Stripe, PostHog, Google Analytics, etc. |
| Real-time Updates | Results update as you type | Dashboards refresh with live data from connected services |
| Decrease Support | Negative percentages shown in red | Not applicable – focuses on metrics, not percentage change |
| Step-by-step Display | Shows formula and each calculation step | No step-by-step; presents aggregated metrics visually |
| Integrations | None – standalone calculator | Stripe, PostHog, Google Analytics, Calendly, custom webhooks |
| Multi-project Support | Not applicable | Yes – separate project views for different products |
| Data Security | No data stored – calculations happen client-side | Read-only connections, AES-256-GCM encryption, GDPR compliant |
| Code Required | No – purely web-based tool | No – OAuth and API-key setup, no SDKs needed |
Pricing
Percentage Increase Calculator: Completely free, no sign-up required. No premium tiers or hidden costs.
Databerry: Free 30-day trial, no credit card needed. Paid plans start after trial for additional integrations and higher usage limits.
Pros and Cons
Percentage Increase Calculator
Pros:
- Instant results with no buttons or waiting
- Handles both increases and decreases automatically
- Shows step-by-step formula for learning
- Completely free and no account needed
- Works with any scale of numbers
Cons:
- Single-purpose tool – only calculates percentage change
- No integrations with other services
- No data persistence or history tracking
Databerry
Pros:
- Unifies data from multiple business tools in one dashboard
- Real-time updates and historical snapshots
- No code or SDK required – simple OAuth setup
- Read-only connections ensure data safety
- Supports multiple projects in one workspace
Cons:
- Free tier limited to 30-day trial
- Requires existing accounts with supported tools
- Not useful for simple percentage calculations
Verdict
Choose Percentage Increase Calculator for quick, free percentage math without any setup. Choose Databerry if you're a founder or team lead who needs a unified view of business metrics from multiple tools and can benefit from real-time dashboards.