-97.06% is the change from 681 to 20
Calculation steps:
[( 20 - 681 ) ÷ 681] x 100 = -97.06%
Formula
Percentage change = [(20 - 681) / 681] x 100
Subtract the new number by the original number
20 - 681 = -661
-661 ÷ 681 = -0.9706314243759178
-0.9706314243759178 x 100 = -97.06%