-33.77% is the change from 681 to 451
Calculation steps:
[( 451 - 681 ) ÷ 681] x 100 = -33.77%
Formula
Percentage change = [(451 - 681) / 681] x 100
Subtract the new number by the original number
451 - 681 = -230
-230 ÷ 681 = -0.3377386196769457
-0.3377386196769457 x 100 = -33.77%