-73.19% is the change from 955 to 256
Calculation steps:
[( 256 - 955 ) ÷ 955] x 100 = -73.19%
Formula
Percentage change = [(256 - 955) / 955] x 100
Subtract the new number by the original number
256 - 955 = -699
-699 ÷ 955 = -0.7319371727748691
-0.7319371727748691 x 100 = -73.19%