-67.98% is the change from 993 to 318
Calculation steps:
[( 318 - 993 ) ÷ 993] x 100 = -67.98%
Formula
Percentage change = [(318 - 993) / 993] x 100
Subtract the new number by the original number
318 - 993 = -675
-675 ÷ 993 = -0.6797583081570997
-0.6797583081570997 x 100 = -67.98%