Excel Data Comparison Tool

I need an Excel tool to compare numerical data across multiple sheets and generate a summary report. The results should be presented in a multiple sheet summary format.

Requirements:
- Pull and compare numerical data from various sheets
- Create a summary report based on the comparison
- Present results in a multiple sheet summary

Ideal Skills and Experience:
- Proficiency in Excel, especially with data comparison and report generation
- Experience in creating multi-sheet summaries
- Attention to detail and accuracy in data handling