-0.58% is the change from 344 to 342
Calculation steps:
[( 342 - 344 ) ÷ 344] x 100 = -0.58%
Formula
Percentage change = [(342 - 344) / 344] x 100
Subtract the new number by the original number
342 - 344 = -2
-2 ÷ 344 = -0.005813953488372093
-0.005813953488372093 x 100 = -0.58%