Could change on every block.

Block reward is calculation of hash rate and diff.

then 30% to Masternode and 70% to miner at the moment.

then go to block explorer http://202.5.23.130:98

select a block e.g. 22961 (1.35 to MN and 3.15 to miner)

will also change in Q1-2018 to 45% Masternodes, 45% miners, 10% Budget proposal.