NEW : Referendum is approved by 80 % of voters . The change would give more power to the prime minister and Parliament . ( CNN ) -- Morocco has been plagued by protests , inspired by the Arab Spring . Some protesters say the proposed changes do not go far enough .
NEW : Referendum is approved by 80 % of voters . The change would give more power to the prime minister and Parliament . Morocco has been plagued by protests , inspired by the Arab Spring . Some protesters say the proposed changes do not go far enough .