15.58% is the change from 552 to 638
Calculation steps:
[( 638 - 552 ) ÷ 552] x 100 = 15.58%
Formula
Percentage change = [(638 - 552) / 552] x 100
Subtract the new number by the original number
638 - 552 = 86
86 ÷ 552 = 0.15579710144927536
0.15579710144927536 x 100 = 15.58%