-67.88% is the change from 993 to 319
Calculation steps:
[( 319 - 993 ) ÷ 993] x 100 = -67.88%
Formula
Percentage change = [(319 - 993) / 993] x 100
Subtract the new number by the original number
319 - 993 = -674
-674 ÷ 993 = -0.6787512588116817
-0.6787512588116817 x 100 = -67.88%