Don't know if this helps, just brainstorming here ...

SHAPES
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Insert chart >> pie >> doughnut

Edit data >> 5 x 20%

Series Options:
- Fill and Border: all the same colour
- 1 part: Fill + Border 100% transparent

Insert Shapes >> Block Arrows >> Chevron >> use 5 white-filled chevrons to create the arrowheads


TEXT
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Insert Shapes >> Basic Shapes >> Oval

Type text in oval

Shape Format >> Text Effects >> Transform >> Follow Path >> Arch

Format Oval to No Fill and No Line (or both 100% transparent)