-77.24% is the change from 681 to 155
Calculation steps:
[( 155 - 681 ) ÷ 681] x 100 = -77.24%
Formula
Percentage change = [(155 - 681) / 681] x 100
Subtract the new number by the original number
155 - 681 = -526
-526 ÷ 681 = -0.7723935389133627
-0.7723935389133627 x 100 = -77.24%