-27.91% is the change from 344 to 248
Calculation steps:
[( 248 - 344 ) ÷ 344] x 100 = -27.91%
Formula
Percentage change = [(248 - 344) / 344] x 100
Subtract the new number by the original number
248 - 344 = -96
-96 ÷ 344 = -0.27906976744186046
-0.27906976744186046 x 100 = -27.91%