-11.34% is the change from 344 to 305
Calculation steps:
[( 305 - 344 ) ÷ 344] x 100 = -11.34%
Formula
Percentage change = [(305 - 344) / 344] x 100
Subtract the new number by the original number
305 - 344 = -39
-39 ÷ 344 = -0.11337209302325581
-0.11337209302325581 x 100 = -11.34%