-73.62% is the change from 686 to 181
Calculation steps:
[( 181 - 686 ) ÷ 686] x 100 = -73.62%
Formula
Percentage change = [(181 - 686) / 686] x 100
Subtract the new number by the original number
181 - 686 = -505
-505 ÷ 686 = -0.7361516034985423
-0.7361516034985423 x 100 = -73.62%