-21.86% is the change from 517 to 404
Calculation steps:
[( 404 - 517 ) ÷ 517] x 100 = -21.86%
Formula
Percentage change = [(404 - 517) / 517] x 100
Subtract the new number by the original number
404 - 517 = -113
-113 ÷ 517 = -0.218568665377176
-0.218568665377176 x 100 = -21.86%