-18.5% is the change from 681 to 555
Calculation steps:
[( 555 - 681 ) ÷ 681] x 100 = -18.5%
Formula
Percentage change = [(555 - 681) / 681] x 100
Subtract the new number by the original number
555 - 681 = -126
-126 ÷ 681 = -0.18502202643171806
-0.18502202643171806 x 100 = -18.5%