-54.37% is the change from 686 to 313
Calculation steps:
[( 313 - 686 ) ÷ 686] x 100 = -54.37%
Formula
Percentage change = [(313 - 686) / 686] x 100
Subtract the new number by the original number
313 - 686 = -373
-373 ÷ 686 = -0.543731778425656
-0.543731778425656 x 100 = -54.37%