-54.36% is the change from 688 to 314
Calculation steps:
[( 314 - 688 ) ÷ 688] x 100 = -54.36%
Formula
Percentage change = [(314 - 688) / 688] x 100
Subtract the new number by the original number
314 - 688 = -374
-374 ÷ 688 = -0.5436046511627907
-0.5436046511627907 x 100 = -54.36%