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Percentage Calculator โ€” 6 Modes for Every Percent Math Problem

Overview Percentage Calculator solves six distinct percentage problems in one browser-only tool. ๐Ÿ”— https://devnestio.pages.dev/percent-calc/ The 6 modes Mode Example X% of Y 15% of 200 = 30 X is w

Overview

Percentage Calculator solves six distinct percentage problems in one browser-only tool.

๐Ÿ”— https://devnestio.pages.dev/percent-calc/

The 6 modes

Mode Example
X% of Y 15% of 200 = 30
X is what % of Y 30 is what % of 200 = 15%
% Change 80 โ†’ 100 = +25%
Add % 100 + 20% = 120 (price + tax)
Subtract % 100 โˆ’ 20% = 80 (price โˆ’ discount)
Tip Calculator $85 + 18% รท 2 people = $50.15 each

Tech highlights

  • Instant result on every keystroke
  • Formula shown alongside result so you can verify the math
  • % Change uses Math.abs(from) as denominator โ€” correctly handles negative bases
  • Tip mode shows tip amount, total, and per-person split simultaneously
  • Results formatted with up to 4 decimal places, trailing zeros stripped

๐Ÿ‘‰ Try it: https://devnestio.pages.dev/percent-calc/

๐Ÿ“ฐ Read the original article on Dev.to WebDev

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