-28.92% is the change from 325 to 231
Calculation steps:
[( 231 - 325 ) ÷ 325] x 100 = -28.92%
Formula
Percentage change = [(231 - 325) / 325] x 100
Subtract the new number by the original number
231 - 325 = -94
-94 ÷ 325 = -0.28923076923076924
-0.28923076923076924 x 100 = -28.92%