-26.58% is the change from 681 to 500
Calculation steps:
[( 500 - 681 ) ÷ 681] x 100 = -26.58%
Formula
Percentage change = [(500 - 681) / 681] x 100
Subtract the new number by the original number
500 - 681 = -181
-181 ÷ 681 = -0.2657856093979442
-0.2657856093979442 x 100 = -26.58%