Add a formater to the Immunity Gap chart
Add a formater to the Immunity Gap chart

Format labels on the Immunity Gap area chart as percentages

SeedScientific/polio,unicef/polio,unicef/polio,SeedScientific/polio,unicef/rhizome,unicef/rhizome,unicef/polio,unicef/polio,SeedScientific/polio,SeedScientific/polio,SeedScientific/polio,unicef/rhizome,unicef/rhizome