-30.72% is the change from 332 to 230
Calculation steps:
[( 230 - 332 ) ÷ 332] x 100 = -30.72%
Formula
Percentage change = [(230 - 332) / 332] x 100
Subtract the new number by the original number
230 - 332 = -102
-102 ÷ 332 = -0.3072289156626506
-0.3072289156626506 x 100 = -30.72%