-80.97% is the change from 993 to 189
Calculation steps:
[( 189 - 993 ) ÷ 993] x 100 = -80.97%
Formula
Percentage change = [(189 - 993) / 993] x 100
Subtract the new number by the original number
189 - 993 = -804
-804 ÷ 993 = -0.8096676737160121
-0.8096676737160121 x 100 = -80.97%
Example