18.86% is the change from 525 to 624
Calculation steps:
[( 624 - 525 ) ÷ 525] x 100 = 18.86%
Formula
Percentage change = [(624 - 525) / 525] x 100
Subtract the new number by the original number
624 - 525 = 99
99 ÷ 525 = 0.18857142857142858
0.18857142857142858 x 100 = 18.86%