-34.08% is the change from 355 to 234
Calculation steps:
[( 234 - 355 ) ÷ 355] x 100 = -34.08%
Formula
Percentage change = [(234 - 355) / 355] x 100
Subtract the new number by the original number
234 - 355 = -121
-121 ÷ 355 = -0.3408450704225352
-0.3408450704225352 x 100 = -34.08%