-1.19% is the change from 503 to 497
Calculation steps:
[( 497 - 503 ) ÷ 503] x 100 = -1.19%
Formula
Percentage change = [(497 - 503) / 503] x 100
Subtract the new number by the original number
497 - 503 = -6
-6 ÷ 503 = -0.011928429423459244
-0.011928429423459244 x 100 = -1.19%