-86.02% is the change from 994 to 139
Calculation steps:
[( 139 - 994 ) ÷ 994] x 100 = -86.02%
Formula
Percentage change = [(139 - 994) / 994] x 100
Subtract the new number by the original number
139 - 994 = -855
-855 ÷ 994 = -0.8601609657947686
-0.8601609657947686 x 100 = -86.02%