-96.58% is the change from 993 to 34
Calculation steps:
[( 34 - 993 ) ÷ 993] x 100 = -96.58%
Formula
Percentage change = [(34 - 993) / 993] x 100
Subtract the new number by the original number
34 - 993 = -959
-959 ÷ 993 = -0.9657603222557906
-0.9657603222557906 x 100 = -96.58%