-33.92% is the change from 681 to 450
Calculation steps:
[( 450 - 681 ) ÷ 681] x 100 = -33.92%
Formula
Percentage change = [(450 - 681) / 681] x 100
Subtract the new number by the original number
450 - 681 = -231
-231 ÷ 681 = -0.3392070484581498
-0.3392070484581498 x 100 = -33.92%