-1.17% is the change from 343 to 339
Calculation steps:
[( 339 - 343 ) ÷ 343] x 100 = -1.17%
Formula
Percentage change = [(339 - 343) / 343] x 100
Subtract the new number by the original number
339 - 343 = -4
-4 ÷ 343 = -0.011661807580174927
-0.011661807580174927 x 100 = -1.17%