-22.47% is the change from 859 to 666
Calculation steps:
[( 666 - 859 ) ÷ 859] x 100 = -22.47%
Formula
Percentage change = [(666 - 859) / 859] x 100
Subtract the new number by the original number
666 - 859 = -193
-193 ÷ 859 = -0.22467986030267753
-0.22467986030267753 x 100 = -22.47%