-21.15% is the change from 681 to 537
Calculation steps:
[( 537 - 681 ) ÷ 681] x 100 = -21.15%
Formula
Percentage change = [(537 - 681) / 681] x 100
Subtract the new number by the original number
537 - 681 = -144
-144 ÷ 681 = -0.21145374449339208
-0.21145374449339208 x 100 = -21.15%