8.71% is the change from 448 to 487
Calculation steps:
[( 487 - 448 ) ÷ 448] x 100 = 8.71%
Formula
Percentage change = [(487 - 448) / 448] x 100
Subtract the new number by the original number
487 - 448 = 39
39 ÷ 448 = 0.08705357142857142
0.08705357142857142 x 100 = 8.71%