-83.1% is the change from 994 to 168
Calculation steps:
[( 168 - 994 ) ÷ 994] x 100 = -83.1%
Formula
Percentage change = [(168 - 994) / 994] x 100
Subtract the new number by the original number
168 - 994 = -826
-826 ÷ 994 = -0.8309859154929577
-0.8309859154929577 x 100 = -83.1%