-0.29% is the change from 347 to 346
Calculation steps:
[( 346 - 347 ) ÷ 347] x 100 = -0.29%
Formula
Percentage change = [(346 - 347) / 347] x 100
Subtract the new number by the original number
346 - 347 = -1
-1 ÷ 347 = -0.002881844380403458
-0.002881844380403458 x 100 = -0.29%