Module: Workarea::CalculatePercentChange
- Defined in:
- app/models/workarea/calculate_percent_change.rb
Instance Method Summary collapse
Instance Method Details
#calculate_percent_change(first, second) ⇒ Object
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# File 'app/models/workarea/calculate_percent_change.rb', line 3 def calculate_percent_change(first, second) return nil if first.blank? || first.zero? ((second.to_f - first) / first.to_f) * 100 end |