3.81% is the change from 525 to 545
Calculation steps:
[( 545 - 525 ) ÷ 525] x 100 = 3.81%
Formula
Percentage change = [(545 - 525) / 525] x 100
Subtract the new number by the original number
545 - 525 = 20
20 ÷ 525 = 0.0380952380952381
0.0380952380952381 x 100 = 3.81%