-20.02% is the change from 859 to 687
Calculation steps:
[( 687 - 859 ) ÷ 859] x 100 = -20.02%
Formula
Percentage change = [(687 - 859) / 859] x 100
Subtract the new number by the original number
687 - 859 = -172
-172 ÷ 859 = -0.20023282887077998
-0.20023282887077998 x 100 = -20.02%