-66.08% is the change from 681 to 231
Calculation steps:
[( 231 - 681 ) ÷ 681] x 100 = -66.08%
Formula
Percentage change = [(231 - 681) / 681] x 100
Subtract the new number by the original number
231 - 681 = -450
-450 ÷ 681 = -0.6607929515418502
-0.6607929515418502 x 100 = -66.08%