-16.8% is the change from 994 to 827
Calculation steps:
[( 827 - 994 ) ÷ 994] x 100 = -16.8%
Formula
Percentage change = [(827 - 994) / 994] x 100
Subtract the new number by the original number
827 - 994 = -167
-167 ÷ 994 = -0.16800804828973842
-0.16800804828973842 x 100 = -16.8%