-21.17% is the change from 869 to 685
Calculation steps:
[( 685 - 869 ) ÷ 869] x 100 = -21.17%
Formula
Percentage change = [(685 - 869) / 869] x 100
Subtract the new number by the original number
685 - 869 = -184
-184 ÷ 869 = -0.21173762945914845
-0.21173762945914845 x 100 = -21.17%