(b) If a board of directors has power to fix or change the number of directors, the board may increase or decrease by thirty percent or less the number of directors last approved by the shareholders, but only the shareholders may increase or decrease by more than thirty percent the number of directors last approved by the shareholders.
(c) The articles of incorporation or bylaws may establish a variable range for the size of the board of directors by fixing a minimum and maximum number of directors. If a variable range is established, the number of directors may be fixed or changed, from time to time, within the minimum and maximum, by the shareholders or the board of directors. After shares are issued, only the shareholders may change the range for the size of the board or change from a fixed- to a variable-range size board or change from a variable- to a fixed-range size board.
(d) Directors are elected at the first annual shareholders' meeting and at each annual meeting thereafter unless their terms are staggered under section eight hundred six of this article.