/**
 * Calculates a percentage from a value relative to a total.
 *
 * @example
 * percentage(200, 50) // 25
 * percentage(200, 50, 2) // 25.00
 *
 * @param total The total value.
 * @param value The value to calculate the percentage for.
 * @param precision Optional decimal precision.
 * @returns The calculated percentage.
 */
export declare function percentage(total: number, value: number, precision?: number): number;