-17.16% is the change from 979 to 811
Calculation steps:
[( 811 - 979 ) ÷ 979] x 100 = -17.16%
Formula
Percentage change = [(811 - 979) / 979] x 100
Subtract the new number by the original number
811 - 979 = -168
-168 ÷ 979 = -0.17160367722165476
-0.17160367722165476 x 100 = -17.16%