-18.57% is the change from 980 to 798
Calculation steps:
[( 798 - 980 ) ÷ 980] x 100 = -18.57%
Formula
Percentage change = [(798 - 980) / 980] x 100
Subtract the new number by the original number
798 - 980 = -182
-182 ÷ 980 = -0.18571428571428572
-0.18571428571428572 x 100 = -18.57%