-16.08% is the change from 423 to 355
Calculation steps:
[( 355 - 423 ) ÷ 423] x 100 = -16.08%
Formula
Percentage change = [(355 - 423) / 423] x 100
Subtract the new number by the original number
355 - 423 = -68
-68 ÷ 423 = -0.1607565011820331
-0.1607565011820331 x 100 = -16.08%