-8.45% is the change from 343 to 314
Calculation steps:
[( 314 - 343 ) ÷ 343] x 100 = -8.45%
Formula
Percentage change = [(314 - 343) / 343] x 100
Subtract the new number by the original number
314 - 343 = -29
-29 ÷ 343 = -0.08454810495626822
-0.08454810495626822 x 100 = -8.45%