16.78% is the change from 447 to 522
Calculation steps:
[( 522 - 447 ) ÷ 447] x 100 = 16.78%
Formula
Percentage change = [(522 - 447) / 447] x 100
Subtract the new number by the original number
522 - 447 = 75
75 ÷ 447 = 0.16778523489932887
0.16778523489932887 x 100 = 16.78%