-15.86% is the change from 517 to 435
Calculation steps:
[( 435 - 517 ) ÷ 517] x 100 = -15.86%
Formula
Percentage change = [(435 - 517) / 517] x 100
Subtract the new number by the original number
435 - 517 = -82
-82 ÷ 517 = -0.15860735009671179
-0.15860735009671179 x 100 = -15.86%