-12.65% is the change from 680 to 594
Calculation steps:
[( 594 - 680 ) ÷ 680] x 100 = -12.65%
Formula
Percentage change = [(594 - 680) / 680] x 100
Subtract the new number by the original number
594 - 680 = -86
-86 ÷ 680 = -0.1264705882352941
-0.1264705882352941 x 100 = -12.65%