-18.74% is the change from 811 to 659
Calculation steps:
[( 659 - 811 ) ÷ 811] x 100 = -18.74%
Formula
Percentage change = [(659 - 811) / 811] x 100
Subtract the new number by the original number
659 - 811 = -152
-152 ÷ 811 = -0.187422934648582
-0.187422934648582 x 100 = -18.74%