-16.65% is the change from 979 to 816
Calculation steps:
[( 816 - 979 ) ÷ 979] x 100 = -16.65%
Formula
Percentage change = [(816 - 979) / 979] x 100
Subtract the new number by the original number
816 - 979 = -163
-163 ÷ 979 = -0.16649642492339123
-0.16649642492339123 x 100 = -16.65%