-75.36% is the change from 686 to 169
Calculation steps:
[( 169 - 686 ) ÷ 686] x 100 = -75.36%
Formula
Percentage change = [(169 - 686) / 686] x 100
Subtract the new number by the original number
169 - 686 = -517
-517 ÷ 686 = -0.7536443148688047
-0.7536443148688047 x 100 = -75.36%