-17.77% is the change from 979 to 805
Calculation steps:
[( 805 - 979 ) ÷ 979] x 100 = -17.77%
Formula
Percentage change = [(805 - 979) / 979] x 100
Subtract the new number by the original number
805 - 979 = -174
-174 ÷ 979 = -0.177732379979571
-0.177732379979571 x 100 = -17.77%