-15.44% is the change from 408 to 345
Calculation steps:
[( 345 - 408 ) ÷ 408] x 100 = -15.44%
Formula
Percentage change = [(345 - 408) / 408] x 100
Subtract the new number by the original number
345 - 408 = -63
-63 ÷ 408 = -0.15441176470588236
-0.15441176470588236 x 100 = -15.44%