-1.39% is the change from 503 to 496
Calculation steps:
[( 496 - 503 ) ÷ 503] x 100 = -1.39%
Formula
Percentage change = [(496 - 503) / 503] x 100
Subtract the new number by the original number
496 - 503 = -7
-7 ÷ 503 = -0.013916500994035786
-0.013916500994035786 x 100 = -1.39%