3.6% is the change from 555 to 575
Calculation steps:
[( 575 - 555 ) ÷ 555] x 100 = 3.6%
Formula
Percentage change = [(575 - 555) / 555] x 100
Subtract the new number by the original number
575 - 555 = 20
20 ÷ 555 = 0.036036036036036036
0.036036036036036036 x 100 = 3.6%