-19.44% is the change from 993 to 800
Calculation steps:
[( 800 - 993 ) ÷ 993] x 100 = -19.44%
Formula
Percentage change = [(800 - 993) / 993] x 100
Subtract the new number by the original number
800 - 993 = -193
-193 ÷ 993 = -0.19436052366565962
-0.19436052366565962 x 100 = -19.44%