increment by

increment something by something

to increase a sum by a supplement [of a certain figure]. Increment the numbering by ten so that 1, 2, 3 becomes 10, 20, 30. The base number was incremented by 4.
References in periodicals archive ?
Shin Kong Financial Holding plans to raise NT$6 billion via cash capital increment by floating 600 million new shares, while Taiwan Life Insurance plans to float 75 million new shares for cash capital increment.