-97.48% is the change from 993 to 25
Calculation steps:
[( 25 - 993 ) ÷ 993] x 100 = -97.48%
Formula
Percentage change = [(25 - 993) / 993] x 100
Subtract the new number by the original number
25 - 993 = -968
-968 ÷ 993 = -0.9748237663645518
-0.9748237663645518 x 100 = -97.48%