8.97% is the change from 446 to 486
Calculation steps:
[( 486 - 446 ) ÷ 446] x 100 = 8.97%
Formula
Percentage change = [(486 - 446) / 446] x 100
Subtract the new number by the original number
486 - 446 = 40
40 ÷ 446 = 0.08968609865470852
0.08968609865470852 x 100 = 8.97%