The part of the sentence "this is a welcome change" is correct and can be used in written English.
It is typically used to indicate that something has changed and the change is a good one. For example, "With the new company policy in place, this is a welcome change for our team."
This is a welcome change, even if AT&T isn't being so welcoming about it.
This is a welcome change.
He could have gone up there and danced the hoochie coochie and they would have said, "This is a welcome change in tone from Donald Trump".
"This is a welcome change of direction, and I hope that we will see a significant improvement in Israeli-Argentinian ties, as well as an improvement in ties with other South American countries, in the coming years," Mr Netanyahu said.
This is a welcome change for its owners, who include Paul Reichmann, its Canadian creator, and Prince Alwaleed bin Talal, a Saudi businessman, who have seen the development through troubled times.
In the memorable description of Tommy Craggs, Slate's politics editor, the candidate "could have gone up there and danced the hoochie coochie and they would have said, 'This is a welcome change in tone from Donald Trump'".
This is a welcomed change in a world where games are seemingly designed just for Xbox Live 12-year olds.
This is a welcomed change for new potential home buyers.
For Virtual's trainer, John Gosden, this was a welcome change of luck after some recent frustrations.
This was a welcome change from Florence, where it seemed as if everything worth seeing had an admission fee.
The Labor immigration spokesman, Richard Marles, reiterated that Labor did not support temporary protection visas but he added that if the safe haven visas allowed a pathway to citizenship then this was a welcome change.
