-43.61% is the change from 610 to 344
Calculation steps:
[( 344 - 610 ) ÷ 610] x 100 = -43.61%
Formula
Percentage change = [(344 - 610) / 610] x 100
Subtract the new number by the original number
344 - 610 = -266
-266 ÷ 610 = -0.4360655737704918
-0.4360655737704918 x 100 = -43.61%