-16% is the change from 994 to 835
Calculation steps:
[( 835 - 994 ) ÷ 994] x 100 = -16%
Formula
Percentage change = [(835 - 994) / 994] x 100
Subtract the new number by the original number
835 - 994 = -159
-159 ÷ 994 = -0.15995975855130784
-0.15995975855130784 x 100 = -16%