-75.66% is the change from 686 to 167
Calculation steps:
[( 167 - 686 ) ÷ 686] x 100 = -75.66%
Formula
Percentage change = [(167 - 686) / 686] x 100
Subtract the new number by the original number
167 - 686 = -519
-519 ÷ 686 = -0.7565597667638484
-0.7565597667638484 x 100 = -75.66%