-67.71% is the change from 994 to 321
Calculation steps:
[( 321 - 994 ) ÷ 994] x 100 = -67.71%
Formula
Percentage change = [(321 - 994) / 994] x 100
Subtract the new number by the original number
321 - 994 = -673
-673 ÷ 994 = -0.6770623742454729
-0.6770623742454729 x 100 = -67.71%