-91.28% is the change from 998 to 87
Calculation steps:
[( 87 - 998 ) ÷ 998] x 100 = -91.28%
Formula
Percentage change = [(87 - 998) / 998] x 100
Subtract the new number by the original number
87 - 998 = -911
-911 ÷ 998 = -0.9128256513026052
-0.9128256513026052 x 100 = -91.28%