-19.79% is the change from 854 to 685
Calculation steps:
[( 685 - 854 ) ÷ 854] x 100 = -19.79%
Formula
Percentage change = [(685 - 854) / 854] x 100
Subtract the new number by the original number
685 - 854 = -169
-169 ÷ 854 = -0.19789227166276346
-0.19789227166276346 x 100 = -19.79%