-16.5% is the change from 982 to 820
Calculation steps:
[( 820 - 982 ) ÷ 982] x 100 = -16.5%
Formula
Percentage change = [(820 - 982) / 982] x 100
Subtract the new number by the original number
820 - 982 = -162
-162 ÷ 982 = -0.164969450101833
-0.164969450101833 x 100 = -16.5%