-43.9% is the change from 688 to 386
Calculation steps:
[( 386 - 688 ) ÷ 688] x 100 = -43.9%
Formula
Percentage change = [(386 - 688) / 688] x 100
Subtract the new number by the original number
386 - 688 = -302
-302 ÷ 688 = -0.438953488372093
-0.438953488372093 x 100 = -43.9%