-36.47% is the change from 817 to 519
Calculation steps:
[( 519 - 817 ) ÷ 817] x 100 = -36.47%
Formula
Percentage change = [(519 - 817) / 817] x 100
Subtract the new number by the original number
519 - 817 = -298
-298 ÷ 817 = -0.36474908200734396
-0.36474908200734396 x 100 = -36.47%