-71.6% is the change from 898 to 255
Calculation steps:
[( 255 - 898 ) ÷ 898] x 100 = -71.6%
Formula
Percentage change = [(255 - 898) / 898] x 100
Subtract the new number by the original number
255 - 898 = -643
-643 ÷ 898 = -0.7160356347438753
-0.7160356347438753 x 100 = -71.6%