-16.58% is the change from 983 to 820
Calculation steps:
[( 820 - 983 ) ÷ 983] x 100 = -16.58%
Formula
Percentage change = [(820 - 983) / 983] x 100
Subtract the new number by the original number
820 - 983 = -163
-163 ÷ 983 = -0.16581892166836215
-0.16581892166836215 x 100 = -16.58%