-15.99% is the change from 688 to 578
Calculation steps:
[( 578 - 688 ) ÷ 688] x 100 = -15.99%
Formula
Percentage change = [(578 - 688) / 688] x 100
Subtract the new number by the original number
578 - 688 = -110
-110 ÷ 688 = -0.15988372093023256
-0.15988372093023256 x 100 = -15.99%