-73.03% is the change from 686 to 185
Calculation steps:
[( 185 - 686 ) ÷ 686] x 100 = -73.03%
Formula
Percentage change = [(185 - 686) / 686] x 100
Subtract the new number by the original number
185 - 686 = -501
-501 ÷ 686 = -0.7303206997084548
-0.7303206997084548 x 100 = -73.03%