-83.83% is the change from 983 to 159
Calculation steps:
[( 159 - 983 ) ÷ 983] x 100 = -83.83%
Formula
Percentage change = [(159 - 983) / 983] x 100
Subtract the new number by the original number
159 - 983 = -824
-824 ÷ 983 = -0.8382502543234995
-0.8382502543234995 x 100 = -83.83%