-59.86% is the change from 994 to 399
Calculation steps:
[( 399 - 994 ) ÷ 994] x 100 = -59.86%
Formula
Percentage change = [(399 - 994) / 994] x 100
Subtract the new number by the original number
399 - 994 = -595
-595 ÷ 994 = -0.5985915492957746
-0.5985915492957746 x 100 = -59.86%