-28.21% is the change from 234 to 168
Calculation steps:
[( 168 - 234 ) ÷ 234] x 100 = -28.21%
Formula
Percentage change = [(168 - 234) / 234] x 100
Subtract the new number by the original number
168 - 234 = -66
-66 ÷ 234 = -0.28205128205128205
-0.28205128205128205 x 100 = -28.21%