-33.42% is the change from 383 to 255
Calculation steps:
[( 255 - 383 ) ÷ 383] x 100 = -33.42%
Formula
Percentage change = [(255 - 383) / 383] x 100
Subtract the new number by the original number
255 - 383 = -128
-128 ÷ 383 = -0.3342036553524804
-0.3342036553524804 x 100 = -33.42%