-54.31% is the change from 685 to 313
Calculation steps:
[( 313 - 685 ) ÷ 685] x 100 = -54.31%
Formula
Percentage change = [(313 - 685) / 685] x 100
Subtract the new number by the original number
313 - 685 = -372
-372 ÷ 685 = -0.5430656934306569
-0.5430656934306569 x 100 = -54.31%