-91.48% is the change from 998 to 85
Calculation steps:
[( 85 - 998 ) ÷ 998] x 100 = -91.48%
Formula
Percentage change = [(85 - 998) / 998] x 100
Subtract the new number by the original number
85 - 998 = -913
-913 ÷ 998 = -0.9148296593186372
-0.9148296593186372 x 100 = -91.48%