-22.89% is the change from 332 to 256
Calculation steps:
[( 256 - 332 ) ÷ 332] x 100 = -22.89%
Formula
Percentage change = [(256 - 332) / 332] x 100
Subtract the new number by the original number
256 - 332 = -76
-76 ÷ 332 = -0.2289156626506024
-0.2289156626506024 x 100 = -22.89%