-97.49% is the change from 998 to 25
Calculation steps:
[( 25 - 998 ) ÷ 998] x 100 = -97.49%
Formula
Percentage change = [(25 - 998) / 998] x 100
Subtract the new number by the original number
25 - 998 = -973
-973 ÷ 998 = -0.9749498997995992
-0.9749498997995992 x 100 = -97.49%