-30.81% is the change from 344 to 238
Calculation steps:
[( 238 - 344 ) ÷ 344] x 100 = -30.81%
Formula
Percentage change = [(238 - 344) / 344] x 100
Subtract the new number by the original number
238 - 344 = -106
-106 ÷ 344 = -0.3081395348837209
-0.3081395348837209 x 100 = -30.81%