-36.74% is the change from 811 to 513
Calculation steps:
[( 513 - 811 ) ÷ 811] x 100 = -36.74%
Formula
Percentage change = [(513 - 811) / 811] x 100
Subtract the new number by the original number
513 - 811 = -298
-298 ÷ 811 = -0.36744759556103573
-0.36744759556103573 x 100 = -36.74%