-91.18% is the change from 998 to 88
Calculation steps:
[( 88 - 998 ) ÷ 998] x 100 = -91.18%
Formula
Percentage change = [(88 - 998) / 998] x 100
Subtract the new number by the original number
88 - 998 = -910
-910 ÷ 998 = -0.9118236472945892
-0.9118236472945892 x 100 = -91.18%