-17.76% is the change from 980 to 806
Calculation steps:
[( 806 - 980 ) ÷ 980] x 100 = -17.76%
Formula
Percentage change = [(806 - 980) / 980] x 100
Subtract the new number by the original number
806 - 980 = -174
-174 ÷ 980 = -0.17755102040816326
-0.17755102040816326 x 100 = -17.76%