Lumeo

Delta

Trend indicator showing delta value with up/down arrow and color.

When to Use

  • Show percentage or absolute change next to a KPI metric.
  • Indicate revenue growth, churn delta, or inventory variance at a glance.
  • Use Positive="DeltaDirection.Bad" for metrics where lower is better (e.g. error rate).
+12.5% -3.2% 0%
+420 -88
-5.1% +2.3%
+7.4% -1.9%

API Reference

Delta

Property Type Default Description
Value double 0 The numeric delta. Positive renders green (good), negative renders red (bad) by default.
Format DeltaFormat Percent Display format. Percent appends %; Absolute shows raw number.
Positive DeltaDirection Good Determines color semantics. Good = up is green; Bad = up is red (for metrics like churn or error rate).
ShowArrow bool true Whether to show the directional arrow icon.
Class string? null Additional CSS classes merged onto the root span.
  • KpiCard — Dashboard KPI tile that embeds a Delta for trend display.
  • SparkCard — Small card with an inline sparkline chart.
  • Statistic — Big-number statistic display with label and unit.