How to round numbers in Altair

Question

I have a graph that instead of using count() as Y axis I used percentage. I would like to show only the round number and see the whole number 39%, 24%, 37%.

activities = pd.DataFrame({'Activity': ['Sleeping','Sleeping', 'Eating', 'TV', 'Work', 'Exercise'],
                           'Time': [8, 2, 4, 8, 2,2]})

bars =alt.Chart(activities).transform_joinaggregate(
    total='count(*)'
).transform_calculate(
    pct='1 / datum.total'
).mark_bar().encode(
    alt.X('Activity'),
    alt.Y('sum(pct):Q', axis=alt.Axis(format='%'))
)

text = bars.mark_text(
align='right',
baseline='middle',
dx=3, # Nudges text to right so it doesn't appear on top of the bar
dy=-4
).encode(
text='sum(pct):Q'
)
#Change size of graph
Qs2 = (bars + text).properties(
width=800,
height=300,
title=plot_title4
).configure_axis(
labelFontSize=20,
titleFontSize=20,
)
Qs2[enter image description here][1]

Current Graph Desired Graph

Answer 1

I figured it out!

add Afer = alt.Y(.....) alt.Tooltip(['sum(pct):Q'],format=',.0f', title="Days to respond to a tender")

and add after mark_text: encode( text=alt.Text("sum(pct):Q", format=",.0f")

bars =alt.Chart(r).transform_joinaggregate(
    total='count(*)'
).transform_calculate(
    pct='100 / datum.total'
).mark_bar().encode(
    alt.X('sum(pct):Q'),
    alt.Y('shot_first'),
    alt.Tooltip(['sum(pct):Q'],format=',.2f', title="Days to respond to a tender")
)

text = bars.mark_text(
align='left',
baseline='middle',
dx=3, # Nudges text to right so it doesn't appear on top of the bar
dy=-4
).encode(
        text=alt.Text("sum(pct):Q", format=",.0f", "%")
)


#Change size of graph
Qs2 = (bars + text).properties(
width=800,
height=300,
title=plot_title4
).configure_axis(
labelFontSize=25,
titleFontSize=25,
)
Qs2