-19.32% is the change from 849 to 685
Calculation steps:
[( 685 - 849 ) ÷ 849] x 100 = -19.32%
Formula
Percentage change = [(685 - 849) / 849] x 100
Subtract the new number by the original number
685 - 849 = -164
-164 ÷ 849 = -0.19316843345111898
-0.19316843345111898 x 100 = -19.32%