-76.06% is the change from 685 to 164
Calculation steps:
[( 164 - 685 ) ÷ 685] x 100 = -76.06%
Formula
Percentage change = [(164 - 685) / 685] x 100
Subtract the new number by the original number
164 - 685 = -521
-521 ÷ 685 = -0.7605839416058394
-0.7605839416058394 x 100 = -76.06%