-15.74% is the change from 813 to 685
Calculation steps:
[( 685 - 813 ) ÷ 813] x 100 = -15.74%
Formula
Percentage change = [(685 - 813) / 813] x 100
Subtract the new number by the original number
685 - 813 = -128
-128 ÷ 813 = -0.15744157441574416
-0.15744157441574416 x 100 = -15.74%