-17.5% is the change from 983 to 811
Calculation steps:
[( 811 - 983 ) ÷ 983] x 100 = -17.5%
Formula
Percentage change = [(811 - 983) / 983] x 100
Subtract the new number by the original number
811 - 983 = -172
-172 ÷ 983 = -0.17497456765005087
-0.17497456765005087 x 100 = -17.5%