-12.19% is the change from 517 to 454
Calculation steps:
[( 454 - 517 ) ÷ 517] x 100 = -12.19%
Formula
Percentage change = [(454 - 517) / 517] x 100
Subtract the new number by the original number
454 - 517 = -63
-63 ÷ 517 = -0.1218568665377176
-0.1218568665377176 x 100 = -12.19%