9.21% is the change from 478 to 522
Calculation steps:
[( 522 - 478 ) ÷ 478] x 100 = 9.21%
Formula
Percentage change = [(522 - 478) / 478] x 100
Subtract the new number by the original number
522 - 478 = 44
44 ÷ 478 = 0.09205020920502092
0.09205020920502092 x 100 = 9.21%