-17.24% is the change from 980 to 811
Calculation steps:
[( 811 - 980 ) ÷ 980] x 100 = -17.24%
Formula
Percentage change = [(811 - 980) / 980] x 100
Subtract the new number by the original number
811 - 980 = -169
-169 ÷ 980 = -0.17244897959183675
-0.17244897959183675 x 100 = -17.24%