-19.38% is the change from 681 to 549
Calculation steps:
[( 549 - 681 ) ÷ 681] x 100 = -19.38%
Formula
Percentage change = [(549 - 681) / 681] x 100
Subtract the new number by the original number
549 - 681 = -132
-132 ÷ 681 = -0.19383259911894274
-0.19383259911894274 x 100 = -19.38%