-71.2% is the change from 889 to 256
Calculation steps:
[( 256 - 889 ) ÷ 889] x 100 = -71.2%
Formula
Percentage change = [(256 - 889) / 889] x 100
Subtract the new number by the original number
256 - 889 = -633
-633 ÷ 889 = -0.7120359955005624
-0.7120359955005624 x 100 = -71.2%