-27.9% is the change from 233 to 168
Calculation steps:
[( 168 - 233 ) ÷ 233] x 100 = -27.9%
Formula
Percentage change = [(168 - 233) / 233] x 100
Subtract the new number by the original number
168 - 233 = -65
-65 ÷ 233 = -0.27896995708154504
-0.27896995708154504 x 100 = -27.9%