-16.22% is the change from 980 to 821
Calculation steps:
[( 821 - 980 ) ÷ 980] x 100 = -16.22%
Formula
Percentage change = [(821 - 980) / 980] x 100
Subtract the new number by the original number
821 - 980 = -159
-159 ÷ 980 = -0.16224489795918368
-0.16224489795918368 x 100 = -16.22%