-53.31% is the change from 679 to 317
Calculation steps:
[( 317 - 679 ) ÷ 679] x 100 = -53.31%
Formula
Percentage change = [(317 - 679) / 679] x 100
Subtract the new number by the original number
317 - 679 = -362
-362 ÷ 679 = -0.5331369661266568
-0.5331369661266568 x 100 = -53.31%