-33.59% is the change from 259 to 172
Calculation steps:
[( 172 - 259 ) ÷ 259] x 100 = -33.59%
Formula
Percentage change = [(172 - 259) / 259] x 100
Subtract the new number by the original number
172 - 259 = -87
-87 ÷ 259 = -0.3359073359073359
-0.3359073359073359 x 100 = -33.59%