4.91% is the change from 448 to 470
Calculation steps:
[( 470 - 448 ) ÷ 448] x 100 = 4.91%
Formula
Percentage change = [(470 - 448) / 448] x 100
Subtract the new number by the original number
470 - 448 = 22
22 ÷ 448 = 0.049107142857142856
0.049107142857142856 x 100 = 4.91%