-28.43% is the change from 503 to 360
Calculation steps:
[( 360 - 503 ) ÷ 503] x 100 = -28.43%
Formula
Percentage change = [(360 - 503) / 503] x 100
Subtract the new number by the original number
360 - 503 = -143
-143 ÷ 503 = -0.28429423459244535
-0.28429423459244535 x 100 = -28.43%