-26.5% is the change from 234 to 172
Calculation steps:
[( 172 - 234 ) ÷ 234] x 100 = -26.5%
Formula
Percentage change = [(172 - 234) / 234] x 100
Subtract the new number by the original number
172 - 234 = -62
-62 ÷ 234 = -0.26495726495726496
-0.26495726495726496 x 100 = -26.5%