-24.68% is the change from 859 to 647
Calculation steps:
[( 647 - 859 ) ÷ 859] x 100 = -24.68%
Formula
Percentage change = [(647 - 859) / 859] x 100
Subtract the new number by the original number
647 - 859 = -212
-212 ÷ 859 = -0.2467986030267753
-0.2467986030267753 x 100 = -24.68%