-33.97% is the change from 783 to 517
Calculation steps:
[( 517 - 783 ) ÷ 783] x 100 = -33.97%
Formula
Percentage change = [(517 - 783) / 783] x 100
Subtract the new number by the original number
517 - 783 = -266
-266 ÷ 783 = -0.3397190293742018
-0.3397190293742018 x 100 = -33.97%