-53.74% is the change from 681 to 315
Calculation steps:
[( 315 - 681 ) ÷ 681] x 100 = -53.74%
Formula
Percentage change = [(315 - 681) / 681] x 100
Subtract the new number by the original number
315 - 681 = -366
-366 ÷ 681 = -0.5374449339207048
-0.5374449339207048 x 100 = -53.74%