-71.33% is the change from 893 to 256
Calculation steps:
[( 256 - 893 ) ÷ 893] x 100 = -71.33%
Formula
Percentage change = [(256 - 893) / 893] x 100
Subtract the new number by the original number
256 - 893 = -637
-637 ÷ 893 = -0.7133258678611423
-0.7133258678611423 x 100 = -71.33%