-2.19% is the change from 503 to 492
Calculation steps:
[( 492 - 503 ) ÷ 503] x 100 = -2.19%
Formula
Percentage change = [(492 - 503) / 503] x 100
Subtract the new number by the original number
492 - 503 = -11
-11 ÷ 503 = -0.02186878727634195
-0.02186878727634195 x 100 = -2.19%