-17.79% is the change from 517 to 425
Calculation steps:
[( 425 - 517 ) ÷ 517] x 100 = -17.79%
Formula
Percentage change = [(425 - 517) / 517] x 100
Subtract the new number by the original number
425 - 517 = -92
-92 ÷ 517 = -0.17794970986460348
-0.17794970986460348 x 100 = -17.79%