-14.93% is the change from 603 to 513
Calculation steps:
[( 513 - 603 ) ÷ 603] x 100 = -14.93%
Formula
Percentage change = [(513 - 603) / 603] x 100
Subtract the new number by the original number
513 - 603 = -90
-90 ÷ 603 = -0.14925373134328357
-0.14925373134328357 x 100 = -14.93%