-86.91% is the change from 993 to 130
Calculation steps:
[( 130 - 993 ) ÷ 993] x 100 = -86.91%
Formula
Percentage change = [(130 - 993) / 993] x 100
Subtract the new number by the original number
130 - 993 = -863
-863 ÷ 993 = -0.8690835850956697
-0.8690835850956697 x 100 = -86.91%