variance-analysis

Decompose financial variances into drivers and generate narrative waterfall explanations.

Updated Mar 15, 2026
One-click install
npx skills add https://github.com/lilbom32/ketnoitrithuc --skill variance-analysis-lilbom32
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: variance-analysis
Source: https://github.com/lilbom32/ketnoitrithuc/tree/main/.claude/skills/finance/1.1.0/skills/variance-analysis
Command: npx skills add https://github.com/lilbom32/ketnoitrithuc --skill variance-analysis-lilbom32

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This skill helps finance teams systematically decompose variances into drivers, produce narrative explanations, and create waterfall analyses to clearly communicate performance gaps between budget, forecast, and actual results.

Core Features & Use Cases

  • Variance decomposition techniques (price/volume, rate/mix, headcount, spend) and three-way comparisons to isolate drivers.
  • Narrative generation and governance for leadership commentary, including structured drivers, outlook, and recommended actions.
  • Waterfall chart methodology and text-based waterfalls to visualize how starting variance evolves into actual outcomes.
  • Use Case: preparing variance commentary for leadership with a concise, data-driven narrative and a Q4 budget-to-actual waterfall.

Quick Start

Analyze a Q4 budget vs actual variance and generate a narrated waterfall explanation ready for leadership briefing.

Frequently Asked Questions about variance-analysis

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I decompose budget vs actual variances into drivers for FP&A reporting?

To decompose budget vs actual variances, you isolate specific drivers using price/volume, rate/mix, headcount, or spend techniques. This process breaks down overall financial gaps into measurable components, producing a clear waterfall structure for leadership variance commentary.

What is a waterfall analysis for financial variance commentary?

A waterfall analysis for financial variance commentary is a visualization method showing how a starting budget evolves into actual outcomes through incremental driver changes. It maps period-over-period variances step-by-step, clarifying the cumulative impact of individual price, volume, or spend factors.

How do I generate a narrative explanation for period-over-period expense variances?

You generate a narrative explanation for period-over-period expense variances by applying materiality thresholds to isolate significant drivers, then structuring the findings into a text-based narrative. This includes detailing the structured drivers, outlook, and recommended actions for leadership briefings.

Does this approach support three-way comparisons for budget, forecast, and actuals?

Yes, this approach supports three-way comparisons for budget, forecast, and actuals. It isolates financial drivers across all three scenarios, allowing finance teams to systematically analyze performance gaps and generate structured variance commentary for leadership.

Can I apply variance decomposition techniques to both revenue and expense categories?

Yes, you can apply variance decomposition techniques to both revenue and expense categories. The methodology supports rate/mix and price/volume analyses for revenue, alongside headcount and spend driver isolation for expenses, covering comprehensive FP&A workflows.

What is the best way to structure variance commentary for leadership briefings?

The best way to structure variance commentary for leadership briefings is to combine narrative generation with waterfall chart methodology. This entails decomposing variances into material drivers, formulating a structured outlook, and presenting text-based waterfalls that clearly communicate performance gaps.