-27.22% is the change from 889 to 647
Calculation steps:
[( 647 - 889 ) ÷ 889] x 100 = -27.22%
Formula
Percentage change = [(647 - 889) / 889] x 100
Subtract the new number by the original number
647 - 889 = -242
-242 ÷ 889 = -0.2722159730033746
-0.2722159730033746 x 100 = -27.22%