Percentage on ilham.devhttps://ilham.dev/tags/percentage/Recent content in Percentage on ilham.devHugo -- gohugo.ioenSun, 27 Sep 2026 00:00:00 +0700How I calculate percentages without doing mental mathhttps://ilham.dev/posts/how-to-calculate-percentages-without-mental-math/Sun, 27 Sep 2026 00:00:00 +0700https://ilham.dev/posts/how-to-calculate-percentages-without-mental-math/Percentages are simple until the question changes: percentage of, percentage increase, percentage decrease, and reverse percentage are different tasks. The Percentage Calculator tool handles the repetitive part so I can focus on checking whether the result makes sense.