-38.79% is the change from 281 to 172
Calculation steps:
[( 172 - 281 ) ÷ 281] x 100 = -38.79%
Formula
Percentage change = [(172 - 281) / 281] x 100
Subtract the new number by the original number
172 - 281 = -109
-109 ÷ 281 = -0.3879003558718861
-0.3879003558718861 x 100 = -38.79%