17.86% is the change from 504 to 594
Calculation steps:
[( 594 - 504 ) ÷ 504] x 100 = 17.86%
Formula
Percentage change = [(594 - 504) / 504] x 100
Subtract the new number by the original number
594 - 504 = 90
90 ÷ 504 = 0.17857142857142858
0.17857142857142858 x 100 = 17.86%