-52.92% is the change from 686 to 323
Calculation steps:
[( 323 - 686 ) ÷ 686] x 100 = -52.92%
Formula
Percentage change = [(323 - 686) / 686] x 100
Subtract the new number by the original number
323 - 686 = -363
-363 ÷ 686 = -0.5291545189504373
-0.5291545189504373 x 100 = -52.92%