-14.89% is the change from 591 to 503
Calculation steps:
[( 503 - 591 ) ÷ 591] x 100 = -14.89%
Formula
Percentage change = [(503 - 591) / 591] x 100
Subtract the new number by the original number
503 - 591 = -88
-88 ÷ 591 = -0.14890016920473773
-0.14890016920473773 x 100 = -14.89%