-23.08% is the change from 234 to 180
Calculation steps:
[( 180 - 234 ) ÷ 234] x 100 = -23.08%
Formula
Percentage change = [(180 - 234) / 234] x 100
Subtract the new number by the original number
180 - 234 = -54
-54 ÷ 234 = -0.23076923076923078
-0.23076923076923078 x 100 = -23.08%