-17.21% is the change from 982 to 813
Calculation steps:
[( 813 - 982 ) ÷ 982] x 100 = -17.21%
Formula
Percentage change = [(813 - 982) / 982] x 100
Subtract the new number by the original number
813 - 982 = -169
-169 ÷ 982 = -0.17209775967413443
-0.17209775967413443 x 100 = -17.21%