-12.82% is the change from 234 to 204
Calculation steps:
[( 204 - 234 ) ÷ 234] x 100 = -12.82%
Formula
Percentage change = [(204 - 234) / 234] x 100
Subtract the new number by the original number
204 - 234 = -30
-30 ÷ 234 = -0.1282051282051282
-0.1282051282051282 x 100 = -12.82%