-19.97% is the change from 681 to 545
Calculation steps:
[( 545 - 681 ) ÷ 681] x 100 = -19.97%
Formula
Percentage change = [(545 - 681) / 681] x 100
Subtract the new number by the original number
545 - 681 = -136
-136 ÷ 681 = -0.19970631424375918
-0.19970631424375918 x 100 = -19.97%