4% is the change from 525 to 546
Calculation steps:
[( 546 - 525 ) ÷ 525] x 100 = 4%
Formula
Percentage change = [(546 - 525) / 525] x 100
Subtract the new number by the original number
546 - 525 = 21
21 ÷ 525 = 0.04
0.04 x 100 = 4%
Example