-80.66% is the change from 993 to 192
Calculation steps:
[( 192 - 993 ) ÷ 993] x 100 = -80.66%
Formula
Percentage change = [(192 - 993) / 993] x 100
Subtract the new number by the original number
192 - 993 = -801
-801 ÷ 993 = -0.8066465256797583
-0.8066465256797583 x 100 = -80.66%