-35.86% is the change from 806 to 517
Calculation steps:
[( 517 - 806 ) ÷ 806] x 100 = -35.86%
Formula
Percentage change = [(517 - 806) / 806] x 100
Subtract the new number by the original number
517 - 806 = -289
-289 ÷ 806 = -0.358560794044665
-0.358560794044665 x 100 = -35.86%