CardSaldo.xaml

<material:MaterialCard
    CornerRadius="20"
    Elevation="2"
    HorizontalOptions="FillAndExpand">

    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="*" />
        </Grid.RowDefinitions>

        <StackLayout Grid.Row="0">
            <Label
                Grid.Row="0"
                FontSize="Small"
                HorizontalTextAlignment="Center"
                Text="Saldo" />

            <Label
                Grid.Row="1"
                FontSize="Title"
                FontAttributes="Bold"
                TextColor="{StaticResource ColorRevenue}"
                HorizontalTextAlignment="Center"
                Text="{Binding Balance, StringFormat='{0:R$ ###,###,##0.00}'}" />
        </StackLayout>

        <Grid
            Grid.Row="1">
            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="*" />
                <ColumnDefinition Width="*" />
            </Grid.ColumnDefinitions>

            <Grid.RowDefinitions>
                <RowDefinition Height="40"/>
            </Grid.RowDefinitions>

            <StackLayout
                Grid.Column="0"
                Grid.Row="0"
                Orientation="Horizontal">

                <Image
                    Source="arrow_down"/>

                <StackLayout>
                    <Label
                        FontSize="Micro"
                        TextColor="Gray"
                        Text="Receitas"/>

                    <Label
                        FontSize="Large"
                        TextColor="{StaticResource ColorRevenue}"
                        Text="{Binding Revenues, StringFormat='{0:R$ ###,###,##0.00}'}" />
                </StackLayout>

            </StackLayout>

            <StackLayout
                Grid.Column="1"
                Grid.Row="0"
                Orientation="Horizontal">

                <Image
                    Source="arrow_up"/>

                <StackLayout>
                    <Label
                        FontSize="Micro"
                        TextColor="Gray"
                        Text="Despesas"/>

                    <Label
                        FontSize="Large"
                        TextColor="{StaticResource ColorExpense}"
                        Text="{Binding Expenses, StringFormat='{0:R$ ###,###,##0.00}'}" />
                </StackLayout>

            </StackLayout>

        </Grid>

    </Grid>

</material:MaterialCard>