pie chart
US /ˈpaɪ ˌtʃɑːrt/
UK /ˈpaɪ ˌtʃɑːrt/

1.
gráfico circular, diagrama de pastel
a type of graph in which a circle is divided into sectors that each represent a proportion of the whole
:
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The report included a pie chart showing the distribution of expenses.
El informe incluía un gráfico circular que mostraba la distribución de los gastos.
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We used a pie chart to visualize the market share of different companies.
Utilizamos un gráfico circular para visualizar la cuota de mercado de diferentes empresas.