-28.03% is the change from 239 to 172
Calculation steps:
[( 172 - 239 ) ÷ 239] x 100 = -28.03%
Formula
Percentage change = [(172 - 239) / 239] x 100
Subtract the new number by the original number
172 - 239 = -67
-67 ÷ 239 = -0.2803347280334728
-0.2803347280334728 x 100 = -28.03%