-27.79% is the change from 896 to 647
Calculation steps:
[( 647 - 896 ) ÷ 896] x 100 = -27.79%
Formula
Percentage change = [(647 - 896) / 896] x 100
Subtract the new number by the original number
647 - 896 = -249
-249 ÷ 896 = -0.2779017857142857
-0.2779017857142857 x 100 = -27.79%