-20.37% is the change from 859 to 684
Calculation steps:
[( 684 - 859 ) ÷ 859] x 100 = -20.37%
Formula
Percentage change = [(684 - 859) / 859] x 100
Subtract the new number by the original number
684 - 859 = -175
-175 ÷ 859 = -0.20372526193247964
-0.20372526193247964 x 100 = -20.37%