9.81% is the change from 428 to 470
Calculation steps:
[( 470 - 428 ) ÷ 428] x 100 = 9.81%
Formula
Percentage change = [(470 - 428) / 428] x 100
Subtract the new number by the original number
470 - 428 = 42
42 ÷ 428 = 0.09813084112149532
0.09813084112149532 x 100 = 9.81%