-96.09% is the change from 998 to 39
Calculation steps:
[( 39 - 998 ) ÷ 998] x 100 = -96.09%
Formula
Percentage change = [(39 - 998) / 998] x 100
Subtract the new number by the original number
39 - 998 = -959
-959 ÷ 998 = -0.9609218436873748
-0.9609218436873748 x 100 = -96.09%