Question: The latest percentage change of BioNTech(NASDAQ).（based on the latest closing price and the previous closing price）
Date: 2025/8/14
Answer (translation): Required Content: The latest price change percentage of BioNTech
Accuracy Requirements: Only rounding errors are allowed
Ground-truth data: BNTX___O: RT_TIME: 200000
RT_PCT_CHG: 0.016
RT_DATE: 20250813