-15.2% is the change from 408 to 346
Calculation steps:
[( 346 - 408 ) ÷ 408] x 100 = -15.2%
Formula
Percentage change = [(346 - 408) / 408] x 100
Subtract the new number by the original number
346 - 408 = -62
-62 ÷ 408 = -0.15196078431372548
-0.15196078431372548 x 100 = -15.2%