-16.73% is the change from 980 to 816
Calculation steps:
[( 816 - 980 ) ÷ 980] x 100 = -16.73%
Formula
Percentage change = [(816 - 980) / 980] x 100
Subtract the new number by the original number
816 - 980 = -164
-164 ÷ 980 = -0.1673469387755102
-0.1673469387755102 x 100 = -16.73%