-61.51% is the change from 517 to 199
Calculation steps:
[( 199 - 517 ) ÷ 517] x 100 = -61.51%
Formula
Percentage change = [(199 - 517) / 517] x 100
Subtract the new number by the original number
199 - 517 = -318
-318 ÷ 517 = -0.6150870406189555
-0.6150870406189555 x 100 = -61.51%