再补充一点，2.1%是对的，5.4%四舍五入错了

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Description

Contributor guide

Research direction

Verify the calculation that produced 5.4% and correct the rounding error.

Tech stack

None

Domain

datadocumentation

Issue type

Bug

DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.

1

Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.

Under 1 hour

Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.

Active

ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.

Clear

Prerequisites

None

Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.

90