PercentOrRange

        Percentage as a single `value`, a `min`/`max` range, or both. Values
        are in percentage form (e.g., 5.2 = 5.2%). The fields are independent and all
        optional.
        Display precedence: when both are present, prefer value (the headline number);

fall back to min/max for indicative display.

max
Type: null | number | string Pattern: ^-?(?:0|[1-9]\d*)(?:\.\d+)?$Format: double

Maximum percentage (e.g., 8.0 = 8%).
min
Type: null | number | string Pattern: ^-?(?:0|[1-9]\d*)(?:\.\d+)?$Format: double

Minimum percentage (e.g., 5.0 = 5%).
value
Type: null | number | string Pattern: ^-?(?:0|[1-9]\d*)(?:\.\d+)?$Format: double

Single-point percentage (the headline number, or the midpoint of a range).