-0.97% is the change from 517 to 512
Calculation steps:
[( 512 - 517 ) ÷ 517] x 100 = -0.97%
Formula
Percentage change = [(512 - 517) / 517] x 100
Subtract the new number by the original number
512 - 517 = -5
-5 ÷ 517 = -0.009671179883945842
-0.009671179883945842 x 100 = -0.97%