-33.16% is the change from 383 to 256
Calculation steps:
[( 256 - 383 ) ÷ 383] x 100 = -33.16%
Formula
Percentage change = [(256 - 383) / 383] x 100
Subtract the new number by the original number
256 - 383 = -127
-127 ÷ 383 = -0.33159268929503916
-0.33159268929503916 x 100 = -33.16%