-2.62% is the change from 343 to 334
Calculation steps:
[( 334 - 343 ) ÷ 343] x 100 = -2.62%
Formula
Percentage change = [(334 - 343) / 343] x 100
Subtract the new number by the original number
334 - 343 = -9
-9 ÷ 343 = -0.026239067055393587
-0.026239067055393587 x 100 = -2.62%