-16.03% is the change from 599 to 503
Calculation steps:
[( 503 - 599 ) ÷ 599] x 100 = -16.03%
Formula
Percentage change = [(503 - 599) / 599] x 100
Subtract the new number by the original number
503 - 599 = -96
-96 ÷ 599 = -0.16026711185308848
-0.16026711185308848 x 100 = -16.03%