-91.14% is the change from 993 to 88
Calculation steps:
[( 88 - 993 ) ÷ 993] x 100 = -91.14%
Formula
Percentage change = [(88 - 993) / 993] x 100
Subtract the new number by the original number
88 - 993 = -905
-905 ÷ 993 = -0.9113796576032226
-0.9113796576032226 x 100 = -91.14%