-70.76% is the change from 872 to 255
Calculation steps:
[( 255 - 872 ) ÷ 872] x 100 = -70.76%
Formula
Percentage change = [(255 - 872) / 872] x 100
Subtract the new number by the original number
255 - 872 = -617
-617 ÷ 872 = -0.7075688073394495
-0.7075688073394495 x 100 = -70.76%