-12.35% is the change from 688 to 603
Calculation steps:
[( 603 - 688 ) ÷ 688] x 100 = -12.35%
Formula
Percentage change = [(603 - 688) / 688] x 100
Subtract the new number by the original number
603 - 688 = -85
-85 ÷ 688 = -0.12354651162790697
-0.12354651162790697 x 100 = -12.35%