3.78% is the change from 555 to 576
Calculation steps:
[( 576 - 555 ) ÷ 555] x 100 = 3.78%
Formula
Percentage change = [(576 - 555) / 555] x 100
Subtract the new number by the original number
576 - 555 = 21
21 ÷ 555 = 0.03783783783783784
0.03783783783783784 x 100 = 3.78%