-12.94% is the change from 394 to 343
Calculation steps:
[( 343 - 394 ) ÷ 394] x 100 = -12.94%
Formula
Percentage change = [(343 - 394) / 394] x 100
Subtract the new number by the original number
343 - 394 = -51
-51 ÷ 394 = -0.12944162436548223
-0.12944162436548223 x 100 = -12.94%