-35.51% is the change from 811 to 523
Calculation steps:
[( 523 - 811 ) ÷ 811] x 100 = -35.51%
Formula
Percentage change = [(523 - 811) / 811] x 100
Subtract the new number by the original number
523 - 811 = -288
-288 ÷ 811 = -0.35511713933415534
-0.35511713933415534 x 100 = -35.51%