17.89% is the change from 503 to 593
Calculation steps:
[( 593 - 503 ) ÷ 503] x 100 = 17.89%
Formula
Percentage change = [(593 - 503) / 503] x 100
Subtract the new number by the original number
593 - 503 = 90
90 ÷ 503 = 0.17892644135188868
0.17892644135188868 x 100 = 17.89%