16% is the change from 450 to 522
Calculation steps:
[( 522 - 450 ) ÷ 450] x 100 = 16%
Formula
Percentage change = [(522 - 450) / 450] x 100
Subtract the new number by the original number
522 - 450 = 72
72 ÷ 450 = 0.16
0.16 x 100 = 16%
Example