-28.79% is the change from 896 to 638
Calculation steps:
[( 638 - 896 ) ÷ 896] x 100 = -28.79%
Formula
Percentage change = [(638 - 896) / 896] x 100
Subtract the new number by the original number
638 - 896 = -258
-258 ÷ 896 = -0.28794642857142855
-0.28794642857142855 x 100 = -28.79%