9.42% is the change from 446 to 488
Calculation steps:
[( 488 - 446 ) ÷ 446] x 100 = 9.42%
Formula
Percentage change = [(488 - 446) / 446] x 100
Subtract the new number by the original number
488 - 446 = 42
42 ÷ 446 = 0.09417040358744394
0.09417040358744394 x 100 = 9.42%