-28.57% is the change from 322 to 230
Calculation steps:
[( 230 - 322 ) ÷ 322] x 100 = -28.57%
Formula
Percentage change = [(230 - 322) / 322] x 100
Subtract the new number by the original number
230 - 322 = -92
-92 ÷ 322 = -0.2857142857142857
-0.2857142857142857 x 100 = -28.57%