-11.99% is the change from 517 to 455
Calculation steps:
[( 455 - 517 ) ÷ 517] x 100 = -11.99%
Formula
Percentage change = [(455 - 517) / 517] x 100
Subtract the new number by the original number
455 - 517 = -62
-62 ÷ 517 = -0.11992263056092843
-0.11992263056092843 x 100 = -11.99%